20 results for Network Security Engineer in Tysons, VA

Security Engineer

Washington, DC
onsite
Temporary
57 - 92 USD / Hourly
OverviewWe are seeking an experienced Security Engineer to design, implement, and support security controls across enterprise systems, cloud environments, and networks. This role focuses on threat detection, vulnerability management, incident response, and maintaining strong security posture across the organization. The ideal candidate has hands‑on experience with modern security tools, cloud platforms, and industry best practices. Responsibilities<ul><li>Implement and maintain security tools including EDR, SIEM, vulnerability scanners, and identity security solutions.</li><li>Monitor security events, analyze alerts, and respond to potential threats.</li><li>Conduct security assessments, vulnerability scans, and remediation planning.</li><li>Support security operations including incident triage, investigations, and documentation.</li><li>Maintain and improve cloud and on‑prem security configurations (AWS, Azure, O365, firewalls, network appliances).</li><li>Develop and enforce security policies, standards, and technical controls.</li><li>Support IAM processes including MFA enforcement, privilege management, and access reviews.</li><li>Partner with Infrastructure, Cloud, and DevOps teams to ensure secure architectures.</li><li>Contribute to security automation, hardening, and continuous improvement initiatives.</li></ul>
2026-03-05T00:00:00Z

Security Engineer

Baltimore, MD
onsite
Temporary
57 - 92 USD / Hourly
OverviewWe are seeking an experienced Security Engineer to design, implement, and support security controls across enterprise systems, cloud environments, and networks. This role focuses on threat detection, vulnerability management, incident response, and maintaining strong security posture across the organization. The ideal candidate has hands‑on experience with modern security tools, cloud platforms, and industry best practices. Responsibilities<ul><li>Implement and maintain security tools including EDR, SIEM, vulnerability scanners, and identity security solutions.</li><li>Monitor security events, analyze alerts, and respond to potential threats.</li><li>Conduct security assessments, vulnerability scans, and remediation planning.</li><li>Support security operations including incident triage, investigations, and documentation.</li><li>Maintain and improve cloud and on‑prem security configurations (AWS, Azure, O365, firewalls, network appliances).</li><li>Develop and enforce security policies, standards, and technical controls.</li><li>Support IAM processes including MFA enforcement, privilege management, and access reviews.</li><li>Partner with Infrastructure, Cloud, and DevOps teams to ensure secure architectures.</li><li>Contribute to security automation, hardening, and continuous improvement initiatives.</li></ul>
2026-03-05T00:00:00Z

Security Engineer

Falls Church, VA
onsite
Temporary
57 - 95 USD / Hourly
OverviewWe are seeking an experienced Security Engineer to design, implement, and support security controls across enterprise systems, cloud environments, and networks. This role focuses on threat detection, vulnerability management, incident response, and maintaining strong security posture across the organization. The ideal candidate has hands‑on experience with modern security tools, cloud platforms, and industry best practices. Responsibilities<ul><li>Implement and maintain security tools including EDR, SIEM, vulnerability scanners, and identity security solutions.</li><li>Monitor security events, analyze alerts, and respond to potential threats.</li><li>Conduct security assessments, vulnerability scans, and remediation planning.</li><li>Support security operations including incident triage, investigations, and documentation.</li><li>Maintain and improve cloud and on‑prem security configurations (AWS, Azure, O365, firewalls, network appliances).</li><li>Develop and enforce security policies, standards, and technical controls.</li><li>Support IAM processes including MFA enforcement, privilege management, and access reviews.</li><li>Partner with Infrastructure, Cloud, and DevOps teams to ensure secure architectures.</li><li>Contribute to security automation, hardening, and continuous improvement initiatives.</li></ul>
2026-03-05T00:00:00Z

Security Engineer

Chevy Chase, MD
onsite
Temporary
57 - 92 USD / Hourly
OverviewWe are seeking an experienced Security Engineer to design, implement, and support security controls across enterprise systems, cloud environments, and networks. This role focuses on threat detection, vulnerability management, incident response, and maintaining strong security posture across the organization. The ideal candidate has hands‑on experience with modern security tools, cloud platforms, and industry best practices. Responsibilities<ul><li>Implement and maintain security tools including EDR, SIEM, vulnerability scanners, and identity security solutions.</li><li>Monitor security events, analyze alerts, and respond to potential threats.</li><li>Conduct security assessments, vulnerability scans, and remediation planning.</li><li>Support security operations including incident triage, investigations, and documentation.</li><li>Maintain and improve cloud and on‑prem security configurations (AWS, Azure, O365, firewalls, network appliances).</li><li>Develop and enforce security policies, standards, and technical controls.</li><li>Support IAM processes including MFA enforcement, privilege management, and access reviews.</li><li>Partner with Infrastructure, Cloud, and DevOps teams to ensure secure architectures.</li><li>Contribute to security automation, hardening, and continuous improvement initiatives.</li></ul>
2026-03-05T00:00:00Z

Cyber Security Engineer

Washington, DC
onsite
Temporary
83 - 88 USD / Hourly
Position OverviewWe are seeking a Mid-Level Cyber Security Engineer to provide expert cyber domain guidance across compliance, vulnerability assessment, cyber defense, and incident response activities. This position supports a highly technical environment requiring hands‑on security engineering, risk assessment, and continuous monitoring across systems with varying classification levels. The ideal candidate brings strong technical depth, excellent communication skills, and the ability to lead or guide other technical staff in cyber‑related initiatives. This role is 100% onsite in Washington, DC and requires the ability to obtain a Public Trust clearance. Key ResponsibilitiesCyber Security Engineering & Analysis<ul><li>Conduct and review complex cybersecurity assessments</li><li>Identify system vulnerabilities and areas of non‑compliance with cybersecurity standards</li><li>Recommend mitigation strategies and risk‑reduction approaches</li><li>Perform research, evaluation, and development in advanced cybersecurity areas</li></ul>Security Operations & Monitoring<ul><li>Perform and maintain vulnerability scans, generating clear reports for leadership</li><li>Track and report Information Assurance Vulnerability Management (IAVM) compliance</li><li>Support incident response teams with domain-specific expertise</li><li>Maintain a library of security audit tools and related testing processes</li></ul>Risk Management & Compliance<ul><li>Review and update Authorization to Operate (ATO) documentation</li><li>Manage and report Plan of Action & Milestones (POA&M) compliance</li><li>Review Certification & Accreditation (C&A) documentation for compliance and completeness</li><li>Ensure systems adhere to agency standards, regulatory frameworks, and RMF requirements</li></ul>Technical Leadership & Collaboration<ul><li>Provide cybersecurity guidance to penetration testers, analysts, incident handlers, and support teams</li><li>Lead or support integration of cyber requirements into IT and communication systems</li><li>Assist with managing networks and systems across multiple classification environments</li><li>Coordinate with cross‑functional engineering teams and mentor technical staff</li></ul>
2026-02-26T00:00:00Z

Cyber Security Engineer

Washington, DC
onsite
Temporary
100 - 105 USD / Hourly
Position OverviewWe are seeking a Cyber Security Engineer to provide hands‑on cyber expertise across compliance, vulnerability management, incident response, and secure systems engineering. The role supports complex networks and systems (including multi‑classification environments), integrates cybersecurity into IT/communications platforms, and guides cross‑functional technical teams. This position is 100% onsite in Washington, DC and requires eligibility for a Public Trust. Key ResponsibilitiesCyber Engineering & Analysis<ul><li>Conduct and review technical cybersecurity assessments.</li><li>Identify vulnerabilities and non‑compliance with cybersecurity standards; recommend mitigations.</li><li>Perform research, design evaluation, technical development, and system integration planning.</li></ul>Security Operations & Monitoring<ul><li>Perform and maintain vulnerability scans; produce clear reports and metrics.</li><li>Track and report IAVM (Information Assurance Vulnerability Management) compliance.</li><li>Maintain a curated library of security audit tools and procedures for testing, internal audits, incident response, and diagnosis.</li></ul>Risk Management & Authorization<ul><li>Maintain Authorization to Operate (ATO) records and supporting artifacts.</li><li>Manage and report POA&M (Plan of Action & Milestones) compliance.</li><li>Review C&A (Certification & Accreditation) documentation for completeness and compliance.</li></ul>Architecture, Integration & Leadership<ul><li>Integrate cybersecurity requirements with IT and communications systems.</li><li>Guide/coordinate activities of penetration testers, incident handlers, cyber analysts, and product support teams.</li><li>Lead or contribute to complex cyber, engineering, and architecture tasks; mentor technical staff as needed.</li></ul>
2026-02-25T00:00:00Z

NETWORK ENGINEER IV

Washington, DC
onsite
Temporary
53 - 58 USD / Hourly
We are looking for an experienced Network Engineer IV to provide advanced network engineering support for a variety of programs. In this role, you will leverage your expertise to design, evaluate, and enhance network components while ensuring seamless integration and implementation. This is a long-term contract position based in Houston, Texas. Responsibilities: • Design and evaluate network components to ensure optimal performance and reliability. • Recommend and implement new technologies to enhance existing network capabilities. • Provide comprehensive engineering support throughout the system lifecycle, including analysis, development, integration, and testing. • Address complex network issues by analyzing data and developing innovative solutions. • Collaborate with senior management and stakeholders to align network strategies with organizational goals. • Establish operational workflows and best practices to maintain network efficiency. • Supervise and guide team members on technical assignments and procedures. • Develop and update policies related to network engineering and operations. • Ensure compliance with industry standards, regulations, and organizational requirements. • Act independently to determine methods and approaches for new projects and network enhancements.
2026-02-16T00:00:00Z

Software Engineer

Washington, DC
onsite
Temporary
50 - 65 USD / Hourly
Job Title: Software Engineer (Microsoft Stack / .NET)Location: Washington, DC Company: Robert Half Tech Focus: .NET 10/11, Azure, Blazor, and AI-Integration Role OverviewYou will be responsible for designing and developing the next generation of enterprise applications that power the District’s most critical industries. In 2026, our "Microsoft Stack" isn't just about the backend; it's a full-stack journey using Blazor for interactive UIs, .NET Aspire for cloud-ready distribution, and Azure OpenAI to build intelligent features directly into the business workflow.
2026-02-16T00:00:00Z

DevOps Engineer

Rockville, MD
onsite
Temporary
67.92 - 71.52 USD / Hourly
Our company is seeking a talented DevOps Engineer to join our team on a contract basis. In this role, you will collaborate closely with development, QA, and IT teams to streamline and enhance deployment pipelines, automation, and cloud infrastructure. The ideal candidate is adept at solving complex problems, communicates well, and is proactive in identifying and implementing continuous improvement opportunities. Key Responsibilities: Design, build, and maintain CI/CD pipelines to support scalable application development and deployment. Automate software build and deployment processes to improve reliability and efficiency. Manage and optimize cloud infrastructure (such as AWS, Azure, or Google Cloud Platform). Monitor system performance and troubleshoot issues related to infrastructure, deployment, and automation. Collaborate with developers and other team members to identify requirements and deliver technical solutions aligned with project goals. Maintain infrastructure as code using tools such as Terraform, Ansible, or similar. Implement and uphold security best practices in DevOps workflows and cloud architectures. Document procedures and share knowledge across the team to support a collaborative work environment.
2026-03-03T00:00:00Z

DevOps Engineer

McLean, VA
onsite
Temporary
68.01 - 74.51 USD / Hourly
Our company is seeking a talented DevOps Engineer to join our team on a contract basis. In this role, you will collaborate closely with development, QA, and IT teams to streamline and enhance deployment pipelines, automation, and cloud infrastructure. The ideal candidate is adept at solving complex problems, communicates well, and is proactive in identifying and implementing continuous improvement opportunities. Key Responsibilities: Design, build, and maintain CI/CD pipelines to support scalable application development and deployment. Automate software build and deployment processes to improve reliability and efficiency. Manage and optimize cloud infrastructure (such as AWS, Azure, or Google Cloud Platform). Monitor system performance and troubleshoot issues related to infrastructure, deployment, and automation. Collaborate with developers and other team members to identify requirements and deliver technical solutions aligned with project goals. Maintain infrastructure as code using tools such as Terraform, Ansible, or similar. Implement and uphold security best practices in DevOps workflows and cloud architectures. Document procedures and share knowledge across the team to support a collaborative work environment.
2026-03-03T00:00:00Z

DevOps Engineer

Washington, DC
onsite
Temporary
70 - 100 USD / Hourly
Job Title: DevOps Engineer (Platform Specialist)Location: Washington, DC (Hybrid – 2 days onsite near K Street/Penn Quarter)Company: Robert Half Experience Level: Mid-to-Senior (4+ years)The MissionYour goal is to make software delivery invisible. You will design and maintain the Internal Developer Platform (IDP) that our engineering teams use to deploy applications. You aren't just a "support" person; you are a builder who treats "Infrastructure as Code" as a product. Your focus will be on transitioning from traditional CI/CD to autonomous, self-healing pipelines.
2026-02-16T00:00:00Z

DevOps Engineer

Baltimore, MD
onsite
Temporary
62.05 - 68.24 USD / Hourly
Our company is seeking a talented DevOps Engineer to join our team on a contract basis. In this role, you will collaborate closely with development, QA, and IT teams to streamline and enhance deployment pipelines, automation, and cloud infrastructure. The ideal candidate is adept at solving complex problems, communicates well, and is proactive in identifying and implementing continuous improvement opportunities. Key Responsibilities: Design, build, and maintain CI/CD pipelines to support scalable application development and deployment. Automate software build and deployment processes to improve reliability and efficiency. Manage and optimize cloud infrastructure (such as AWS, Azure, or Google Cloud Platform). Monitor system performance and troubleshoot issues related to infrastructure, deployment, and automation. Collaborate with developers and other team members to identify requirements and deliver technical solutions aligned with project goals. Maintain infrastructure as code using tools such as Terraform, Ansible, or similar. Implement and uphold security best practices in DevOps workflows and cloud architectures. Document procedures and share knowledge across the team to support a collaborative work environment.
2026-03-03T00:00:00Z

DevOps Engineer

Washington, DC
onsite
Temporary
68.27 - 74.24 USD / Hourly
Our company is seeking a talented DevOps Engineer to join our team on a contract basis. In this role, you will collaborate closely with development, QA, and IT teams to streamline and enhance deployment pipelines, automation, and cloud infrastructure. The ideal candidate is adept at solving complex problems, communicates well, and is proactive in identifying and implementing continuous improvement opportunities. Key Responsibilities: Design, build, and maintain CI/CD pipelines to support scalable application development and deployment. Automate software build and deployment processes to improve reliability and efficiency. Manage and optimize cloud infrastructure (such as AWS, Azure, or Google Cloud Platform). Monitor system performance and troubleshoot issues related to infrastructure, deployment, and automation. Collaborate with developers and other team members to identify requirements and deliver technical solutions aligned with project goals. Maintain infrastructure as code using tools such as Terraform, Ansible, or similar. Implement and uphold security best practices in DevOps workflows and cloud architectures. Document procedures and share knowledge across the team to support a collaborative work environment.
2026-03-03T00:00:00Z

Cloud Engineer

Washington, DC
onsite
Temporary
60 - 110 USD / Hourly
We are seeking a Cloud Engineer to support the design, deployment, and maintenance of cloud infrastructure across our environments. This role focuses on building reliable, secure, and scalable cloud solutions while assisting development and IT teams with day‑to‑day cloud operations.Responsibilities<ul><li>Deploy, configure, and manage cloud resources in AWS/Azure/GCP.</li><li>Maintain CI/CD pipelines and automate infrastructure tasks using tools such as Terraform, CloudFormation, or similar.</li><li>Monitor system performance, reliability, cost, and security posture across cloud workloads.</li><li>Support containerized applications (Docker/Kubernetes) and troubleshoot environment issues.</li><li>Implement cloud security best practices, including IAM, logging, patching, and network controls.</li><li>Assist with incident response, cloud migrations, and environment optimization.</li><li>Collaborate with engineering and IT teams to support application deployments and cloud operations.</li></ul>
2026-03-04T00:00:00Z

Cloud Engineer

Columbia, MD
onsite
Temporary
59.375 - 68.75 USD / Hourly
We are looking for an experienced Cloud Engineer to join our team in Columbia, Maryland. In this long-term contract position, you will play a key role in managing and securing our cloud infrastructure, focusing on Microsoft Azure and related technologies. The ideal candidate will possess extensive knowledge of identity and access management, endpoint security, and cloud monitoring tools to ensure the safety and compliance of our systems. Responsibilities: • Manage and administer Microsoft Entra ID (Azure AD), including user and group management, conditional access policies, and privileged identity governance. • Configure and oversee Microsoft Intune for device compliance, configuration profiles, and application deployment across various platforms. • Monitor and respond to security incidents using tools such as Microsoft Sentinel and Microsoft Defender solutions. • Implement and maintain Zero Trust security principles, ensuring adherence to best practices and compliance standards. • Support hybrid identity environments, including Azure AD Connect and Cloud Sync, ensuring seamless integration. • Develop and maintain documentation, runbooks, and standard operating procedures for security and cloud operations. • Conduct security assessments, remediate vulnerabilities, and participate in continuous improvement initiatives. • Collaborate with audit teams to support compliance requirements and maintain security controls. • Provide operational troubleshooting and support for endpoint management and cloud security solutions.
2026-02-17T00:00:00Z

Cloud Engineer

Falls Church, VA
onsite
Temporary
60 - 110 USD / Hourly
We are seeking a Cloud Engineer to support the design, deployment, and maintenance of cloud infrastructure across our environments. This role focuses on building reliable, secure, and scalable cloud solutions while assisting development and IT teams with day‑to‑day cloud operations.Responsibilities<ul><li>Deploy, configure, and manage cloud resources in AWS/Azure/GCP.</li><li>Maintain CI/CD pipelines and automate infrastructure tasks using tools such as Terraform, CloudFormation, or similar.</li><li>Monitor system performance, reliability, cost, and security posture across cloud workloads.</li><li>Support containerized applications (Docker/Kubernetes) and troubleshoot environment issues.</li><li>Implement cloud security best practices, including IAM, logging, patching, and network controls.</li><li>Assist with incident response, cloud migrations, and environment optimization.</li><li>Collaborate with engineering and IT teams to support application deployments and cloud operations.</li></ul>
2026-03-05T00:00:00Z

Cloud Engineer

Bethesda, MD
onsite
Temporary
60 - 110 USD / Hourly
We are seeking a Cloud Engineer to support the design, deployment, and maintenance of cloud infrastructure across our environments. This role focuses on building reliable, secure, and scalable cloud solutions while assisting development and IT teams with day‑to‑day cloud operations.Responsibilities<ul><li>Deploy, configure, and manage cloud resources in AWS/Azure/GCP.</li><li>Maintain CI/CD pipelines and automate infrastructure tasks using tools such as Terraform, CloudFormation, or similar.</li><li>Monitor system performance, reliability, cost, and security posture across cloud workloads.</li><li>Support containerized applications (Docker/Kubernetes) and troubleshoot environment issues.</li><li>Implement cloud security best practices, including IAM, logging, patching, and network controls.</li><li>Assist with incident response, cloud migrations, and environment optimization.</li><li>Collaborate with engineering and IT teams to support application deployments and cloud operations.</li></ul>
2026-03-05T00:00:00Z

Cloud Engineer

Baltimore, MD
onsite
Temporary
60 - 110 USD / Hourly
We are seeking a Cloud Engineer to support the design, deployment, and maintenance of cloud infrastructure across our environments. This role focuses on building reliable, secure, and scalable cloud solutions while assisting development and IT teams with day‑to‑day cloud operations.Responsibilities<ul><li>Deploy, configure, and manage cloud resources in AWS/Azure/GCP.</li><li>Maintain CI/CD pipelines and automate infrastructure tasks using tools such as Terraform, CloudFormation, or similar.</li><li>Monitor system performance, reliability, cost, and security posture across cloud workloads.</li><li>Support containerized applications (Docker/Kubernetes) and troubleshoot environment issues.</li><li>Implement cloud security best practices, including IAM, logging, patching, and network controls.</li><li>Assist with incident response, cloud migrations, and environment optimization.</li><li>Collaborate with engineering and IT teams to support application deployments and cloud operations.</li></ul>
2026-03-05T00:00:00Z

Senior Software Engineer

Gaithersburg, MD
onsite
Temporary
88 - 93 USD / Hourly
Robert Half is seeking a Senior Software Engineer with AI‑enabled development experience to support the modernization of a real-time, high-availability air traffic management platform. This role offers the opportunity to work on safety-critical systems that directly support national airspace operations in a collaborative, mission-driven environment.You will contribute to the development and sustainment of complex software systems using both traditional systems engineering practices and AI‑augmented development techniques throughout the Software Development Life Cycle (SDLC). Key Responsibilities:<ul><li>Design, develop, test, and maintain software for real-time, high-availability systems</li><li>Apply AI-assisted development tools to accelerate coding, refactoring, debugging, and automated test generation</li><li>Utilize AI responsibly across the full SDLC including:</li><li>Requirements analysis</li><li>System design</li><li>Implementation</li><li>Testing</li><li>Documentation</li><li>Code review</li><li>Analyze complex system requirements and translate them into efficient, maintainable software designs</li><li>Develop and maintain automation scripts across development, test, and production environments</li><li>Promote code quality, reuse, traceability, and cross-team collaboratio</li></ul>
2026-03-10T00:00:00Z

Data Center Technician

Ashburn, VA
onsite
Temporary
30.4 - 35.2 USD / Hourly
We are looking for an experienced Data Center Technician to join our team in Ashburn, Virginia. In this role, you will play a critical part in managing and maintaining infrastructure installations, ensuring reliability and efficiency in operations. This is a long-term contract position that offers the opportunity to work on diverse projects and collaborate with various teams to deliver high-quality results. Responsibilities: • Oversee infrastructure installation requests from initiation through completion, ensuring all objectives are met. • Conduct certifications of network connections and peripherals prior to deployment. • Coordinate with contractors to manage power remediation projects and ensure Service Levels are consistently achieved. • Provide detailed project estimates, interpreting schematics and drawings, and documenting requirements through collaboration with IT and project management teams. • Handle the creation, approval monitoring, and closure of work tickets and TCMs. • Assist in rack-level capacity management and monitor infrastructure performance. • Participate in meetings related to infrastructure projects and provide input on ongoing initiatives. • Generate Root Cause Analysis reports for power issues and implement corrective measures. • Manage infrastructure installations, including power surveys, cabling setups, and new data center build-outs. • Oversee equipment procurement processes, including ordering materials, tracking purchase orders, and managing inventory.
2026-02-26T00:00:00Z