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12 results for Systems Engineer in Washington, DC

Software Engineer

Gaithersburg, MD
onsite
Temporary / Contract
55 - 60 USD / Hourly
Software Engineer – Microservices / DevSecOpsLocation: Gaithersburg, MD 20878Work Arrangement: HybridClearance: Ability to obtain and maintain a Public Trust Position OverviewWe are seeking a Software Engineer to design and implement scalable microservices-based applications supporting mission-critical programs. This role focuses on delivering high-quality software solutions within an Agile/SAFe environment, collaborating closely with systems engineering, product delivery, and DevSecOps teams.The ideal candidate is a hands-on engineer with strong experience in microservices architecture, modern programming languages, and cloud-native development, along with a passion for building reliable, secure, and efficient systems. Exposure to AI-enabled or data-driven systems is a plus.WKey ResponsibilitiesApplication Development & Architecture<ul><li>Design, develop, and maintain microservices-based applications using modern engineering practices</li><li>Translate business requirements into scalable technical solutions</li><li>Build clean, maintainable, and testable code aligned to best practices</li></ul>Agile Delivery & Collaboration<ul><li>Participate in Agile / SAFe ceremonies (sprint planning, standups, retrospectives)</li><li>Collaborate with product owners, architects, and engineering teams</li><li>Contribute to system design discussions and technical decision-making</li></ul>DevSecOps & Integration<ul><li>Integrate services with databases, APIs, and messaging systems</li><li>Work within CI/CD pipelines and DevSecOps frameworks</li><li>Support deployment, monitoring, and continuous improvement of applications</li></ul>Operations & Optimization<ul><li>Troubleshoot, debug, and optimize application performance</li><li>Partner with QA, DevOps, and platform teams to ensure reliable delivery</li><li>Enhance system scalability, reliability, and maintainability</li></ul>
2026-05-15T00:00:00Z

Network Engineer

Manassas, VA
onsite
Temporary / Contract
58.957 - 68.266 USD / Hourly
We are looking for an experienced Network Engineer to support and enhance enterprise network operations in Manassas, Virginia. This Long-term Contract position focuses on maintaining secure, reliable connectivity across critical infrastructure while contributing to ongoing improvements in routing, firewall administration, and switching environments. The ideal candidate brings strong hands-on knowledge of Cisco networking technologies, Palo Alto security platforms, and Aruba solutions to help deliver stable and well-managed network performance. Responsibilities: • Manage and optimize network infrastructure that includes Cisco routing technologies, enterprise switching, and perimeter security platforms. • Administer Palo Alto firewalls and use Strata Cloud Manager to monitor performance, enforce security policies, and support ongoing operational needs. • Configure and support Aruba switching environments while leveraging Aruba Central for visibility, device management, and issue resolution. • Maintain and troubleshoot Border Gateway Protocol (BGP) configurations to ensure dependable routing and external connectivity. • Support Cisco ASA firewall environments by applying configuration updates, reviewing access controls, and resolving network security issues. • Diagnose network incidents, identify root causes, and implement corrective actions to minimize downtime and service disruption. • Collaborate with technical teams to plan, test, and implement infrastructure changes while maintaining network stability and security. • Create and maintain clear technical documentation for configurations, procedures, diagrams, and support activities.
2026-05-04T00:00:00Z

Network Engineer

Manassas, VA
onsite
Temporary / Contract
61.351 - 71.038 USD / Hourly
We are looking for a Network Engineer to support and enhance enterprise network operations in Virginia. This is a Contract position suited for a detail-oriented candidate who can manage routing, firewall administration, and switching technologies across a complex environment. The ideal candidate will bring strong hands-on expertise with Cisco infrastructure, Palo Alto security platforms, and Aruba networking tools while helping maintain reliable and secure connectivity. Responsibilities: • Administer and optimize network infrastructure built on Cisco routing technologies to ensure stable and efficient connectivity. • Manage Palo Alto firewall environments, including policy updates, security rule administration, and ongoing performance tuning. • Support cloud-based firewall oversight and operational visibility through Strata Cloud Manager. • Configure and maintain Aruba switching solutions while promoting consistent performance across the network environment. • Use Aruba Central to monitor devices, troubleshoot issues, and improve centralized network management. • Implement and support Border Gateway Protocol configurations to maintain resilient external and internal routing paths. • Maintain and troubleshoot Cisco ASA security appliances as part of the broader network security framework. • Investigate network incidents, identify root causes, and deliver timely resolutions to minimize service disruption.
2026-05-04T00:00:00Z

Information Security Engineer

Washington, DC
onsite
Temporary / Contract
55.66 - 55.66 USD / Hourly
We are looking for an Information Security Engineer to support the client’s cybersecurity mission. This role is responsible for designing, implementing, and maintaining secure systems that protect critical infrastructure and sensitive data across organization environments. The role will collaborate with federal leadership and cross-functional teams to strengthen endpoint security, mitigate threats, and ensure compliance with federal cybersecurity standards.This position operates in a highly complex environment, requiring independent decision-making, technical leadership, and the ability to translate security and business requirements into effective technical solutions. Key Responsibilities:· Design, configure, and validate secure systems and endpoint protection solutions.· Implement and manage Endpoint Detection and Response (EDR) tools.· Support integration of endpoint security data into SIEM/log aggregation systems.· Collaborate with application and infrastructure teams to troubleshoot security issues.· Participate in incident response and cybersecurity operations (SecOps) activities.· Enforce and implement security requirements aligned with FISMA and NIST 800 series.· Monitor emerging threats, vulnerabilities, and security best practices.· Work ServiceNow ITSM tickets through completion for security operations.· Participate in cybersecurity meetings and provide recommendations to enhance security posture.
2026-05-20T00:00:00Z

Systems Administrator

Washington, DC
onsite
Permanent / Full Time
95000 - 115000 USD / Yearly
We are looking for a skilled Systems Administrator to join our team in Washington, District of Columbia. This role involves managing and optimizing IT infrastructure to ensure seamless operations and security across the organization. The ideal candidate will bring a strong background in cloud platforms, virtualization, and network solutions. Responsibilities: • Oversee the administration and maintenance of Microsoft 365, Azure, and other cloud platforms to ensure optimal performance. • Configure and manage virtualization technologies such as VMware and Hyper-V to support organizational needs. • Implement and maintain endpoint security measures to safeguard systems and data. • Collaborate on the design and deployment of new network solutions to enhance operational efficiency. • Install, configure, and manage network hardware, including servers, routers, switches, firewalls, and wireless infrastructure.
2026-05-05T00:00:00Z

Solutions Architect

Washington, DC
onsite
Temporary to Hire
47.5 - 55 USD / Hourly
We are looking for an Applications Architect to join a team in Washington, District of Columbia in a contract-to-permanent capacity. This role will lead the design of scalable application and API solutions across cloud environments while strengthening security, governance, and delivery standards. The ideal candidate combines deep architecture expertise with hands-on development knowledge and can guide technical decisions that support resilient, enterprise-grade platforms. Responsibilities: • Design and shape application architecture solutions that support scalable, secure, and high-performing enterprise systems. • Lead the creation and oversight of API frameworks, specifications, and integration patterns using modern architectural standards and management platforms. • Establish and reinforce engineering practices for design reviews, testing approaches, governance controls, and lifecycle management across application services. • Surface technical risks early, communicate impacts to stakeholders, and recommend practical alternatives to maintain project momentum. • Drive continuous improvement by identifying opportunities to strengthen architecture, development processes, and long-term platform scalability. • Collaborate with development and DevOps teams to support CI/CD pipelines, scripting, and application integrations across cloud and SaaS environments. • Contribute to cybersecurity readiness by supporting incident response activities and helping coordinate corrective actions when vulnerabilities or threats are identified. • Participate in vendor security evaluations and provide architectural input for procurement documents, statements of work, and technical requirements. • Define and monitor security configuration standards, controls, and procedures that protect critical systems and enterprise infrastructure.
2026-04-29T00:00:00Z

Software Engineer (C++ / Java / Microservices))

Gaithersburg, MD
onsite
Temporary / Contract
70 - 75 USD / Hourly
We are seeking a Software Engineer to support the design, development, and delivery of modern application solutions within an Agile environment. This role is ideal for a technically strong engineer who thrives in fast‑paced settings and is comfortable working with evolving technologies, including AI‑assisted development tools.The ideal candidate is a self‑starter with solid engineering fundamentals, experience working across C++ and Java ecosystems, and exposure to microservices architecture. This role requires adaptability, strong problem‑solving skills, and the ability to collaborate effectively across teams while maintaining high standards of code quality and delivery. Key ResponsibilitiesApplication Development & Engineering<ul><li>Design, develop, and maintain applications using C++ and/or Java.</li><li>Contribute to development of microservices‑based architectures and distributed systems.</li><li>Deliver high‑quality, maintainable code using Agile methodologies.</li></ul>AI‑Augmented Development<ul><li>Leverage AI and coding assistant tools to improve efficiency and accelerate development workflows.</li><li>Evaluate and refine outputs from AI tools to ensure code quality, correctness, and maintainability.</li></ul>Agile Delivery & Collaboration<ul><li>Participate in Agile ceremonies including sprint planning, standups, and retrospectives.</li><li>Collaborate with cross‑functional teams to understand and translate requirements into technical solutions.</li><li>Continuously adapt to changing priorities and evolving requirements.</li></ul>
2026-05-08T00:00:00Z

Systems Administrator II

Washington, DC
onsite
Temporary / Contract
43 - 48 USD / Hourly
Clearance Requirement: Public Trust clearance (Must currently hold or have the ability to obtain and maintain)Red Hat Enterprise Linux (RHEL) Systems AdministratorLocation: Washington, DC (On-site, 5 days per week)Employment Type: 6 Month Contract, Potential for Extension or ConversionPay: Available on W2Job SummaryThe RHEL Systems Administrator is responsible for administering, supporting, and maintaining Red Hat Enterprise Linux (RHEL) server environments. This role focuses on enterprise-scale Linux operations, automation, containerized platforms, cloud integration, monitoring, and system reliability. The ideal candidate has strong scripting skills, experience supporting containerized workloads, and the ability to troubleshoot, stabilize, and optimize systems in a secure, fast-paced environment.Key Responsibilities<ul><li>Manage the full lifecycle of RHEL servers, including deployment, configuration, patching, reboot coordination, and ongoing maintenance in virtualized environments (VMware).</li><li>Administer enterprise RHEL environments using Red Hat Satellite, including repository management, content views, lifecycle environments, and patch orchestration.</li><li>Serve as the primary owner for implementing system and software updates across the RHEL platform.</li><li>Develop, test, and maintain automation using Bash and Python scripting to streamline administrative tasks and reduce manual intervention.</li><li>Support and maintain containerized environments, including Docker and Kubernetes, in coordination with application and platform teams.</li><li>Perform advanced system monitoring, performance tuning, and root cause analysis to ensure system stability and optimal performance.</li><li>Design, implement, and maintain backup and recovery strategies to ensure data integrity and system resiliency.</li><li>Perform daily operational support, including troubleshooting platform and application issues and responding to escalations.</li><li>Collaborate closely with IT security teams to ensure systems are fully patched, rebooted as necessary, and compliant with security standards.</li><li>Provide regular status updates and reporting on system health, patching, backups, and operational activities.</li><li>Create and maintain system documentation, operational procedures, and knowledge base articles.</li><li>Work cross-functionally with infrastructure, cloud, security, and application teams to support deployments and resolve issues efficiently.</li></ul>
2026-04-23T00:00:00Z

Systems Administrator IV

Washington, DC
remote
Temporary / Contract
50 - 55 USD / Hourly
Position OverviewWe are seeking a highly experienced Senior Systems Engineer to support enterprise infrastructure with a focus on Active Directory, authentication services, and certificate management. This role will partner closely with infrastructure leadership to design, implement, and maintain secure and scalable identity and directory services.The ideal candidate will bring deep expertise in Windows Server, Active Directory, DNS, certificate authorities, and authentication frameworks, combined with strong scripting capabilities and a proactive, problem‑solving mindset. This role requires ownership, collaboration across engineering teams, and the ability to operate in complex, multi-tiered environments. Key ResponsibilitiesIdentity & Directory Services<ul><li>Configure, maintain, and troubleshoot Active Directory, DNS, and Certificate Authority environments</li><li>Manage authentication systems including ADFS, SAML, SSO, and Okta</li><li>Administer certificate lifecycle management across enterprise systems</li></ul>Infrastructure Engineering & Automation<ul><li>Develop PowerShell scripts to monitor system health and automate operations</li><li>Support scalable infrastructure across physical, virtual, and cloud environments</li><li>Implement Group Policy and role-based access management</li></ul>Security & Compliance<ul><li>Apply NIST and DISA security standards and system hardening practices</li><li>Manage certificate issuance and ensure zero-downtime implementation</li><li>Apply patches, enforce compliance, and maintain system integrity</li></ul>Operations & Support<ul><li>Provide Tier II / III support in Windows Server and Windows 11 environments</li><li>Troubleshoot and resolve complex infrastructure issues</li><li>Maintain system documentation and architecture design artifacts</li></ul>Collaboration & Optimization<ul><li>Work closely with engineering, system owners, and cross-functional stakeholders</li><li>Identify process improvements and implement infrastructure optimizations</li><li>Support project delivery, timelines, and operational priorities</li></ul>
2026-05-12T00:00:00Z

Database Engineer/Manager

Washington, DC
onsite
Temporary / Contract
52.89 - 52.89 USD / Hourly
We are looking for a Database Engineer/Manager to be responsible for the definition, design, implementation, documentation, and ongoing support of enterprise Database Management System (DBMS) environments supporting mission‑critical systems. This role delivers complex database solutions across multiple technical domains and plays a key role in ensuring database performance, integrity, security, availability, and scalability. The position requires advanced technical expertise, cross‑functional collaboration, and leadership in large‑scale database initiatives. Key Responsibilities:· Design, implement, and maintain enterprise DBMS architectures and standards.· Install, configure, administer, and optimize Microsoft SQL Server and Oracle databases.· Manage high availability, clustering, replication, backup, and disaster recovery solutions.· Monitor database performance, capacity, integrity, and security; troubleshoot complex issues.· Plan and execute database upgrades, patches, migrations, and modernization efforts.· Ensure compliance with security requirements, including STIGs, auditing, and encryption controls.· Maintain detailed documentation for database environments, configurations, and procedures.· Collaborate with application, DevOps, infrastructure, vendors, and client stakeholders.
2026-05-11T00:00:00Z

Microsoft Architect & System Administrator

Washington, DC
onsite
Temporary / Contract
63.63 - 63.63 USD / Hourly
We are looking for a Microsoft Architect & System Administrator to be part of a Digital Modernization team and be responsible for performing advanced software engineering, systems integration, and systems administration functions across enterprise Microsoft environments. The position will design, develop, implement, and support software-intensive infrastructure systems while applying established principles, standards, and tools throughout the full software development and system lifecycle.The position works independently on day-to-day objectives with significant impact to operational results and project deliverables and is responsible for entire projects or major processes within a technical area. The role also provides technical leadership by coaching and reviewing the work of lower-level staff and serving as an escalation point for complex issues. Key Responsibilities:· Provide enterprise-level architecture, engineering, and operational support for Microsoft Windows-based systems across on-prem and cloud environments supporting DOT’s Common Operating Environment (COE).· Perform software and systems requirements analysis, hardware compatibility assessments, and solution design for infrastructure modernization initiatives.· Design, implement, and support Active Directory, Microsoft Entra ID, SCCM/MECM, Intune, and Deployment Services across enterprise environments.· Support provisioning, patching, vulnerability remediation, and lifecycle management of Windows Server environments.· Lead troubleshooting efforts for complex system, application, and production issues; serve as an escalation point across multiple technical teams.· Develop and implement high-availability and disaster recovery (HA/DR) solutions and support server migrations from on‑premises to cloud environments (AWS GovCloud, AWS, Azure, Oracle, and Google Cloud).· Apply scripting and automation using PowerShell, Microsoft Graph, and VBScript to improve operational efficiency and reduce manual effort.· Support identity and access management initiatives, including role-based access controls, certificate-based authentication, MFA, and conditional access policies.· Conduct root cause analysis and problem management for enterprise Windows systems and tools.· Create and maintain technical documentation covering system architecture, configurations, operational procedures, and troubleshooting.
2026-05-05T00:00:00Z

Software Developer II

Arlington, VA
onsite
Temporary / Contract
60.85 - 60.85 USD / Hourly
We are looking for a Software Developer to be responsible for contributing to the design, development, testing, and maintenance of software applications and frameworks that support the full software release lifecycle. This position focuses on writing and maintaining source code, resolving defects, managing configuration, and supporting software enhancements. The role works independently on moderately complex assignments and provides support to other technical team members as needed.This position supports defense‑related software initiatives, including enhancements to existing autonomy software used in surface vessel applications, and operates within an Agile/Scrum environment. Key Responsibilities:· Analyze, design, develop, test, and maintain software applications and frameworks throughout the software development lifecycle.· Write, review, and maintain high‑quality, efficient, and reusable source code.· Implement new features, performance improvements, and software enhancements.· Debug, troubleshoot, and resolve moderately complex technical issues and defects.· Participate in Agile ceremonies including sprint planning, daily standups, and retrospectives.· Own assigned development tickets and deliver work within sprint timelines.· Collaborate with cross‑functional team members, including project managers and other developers, to support software deployments and integrations.· Assist other technical staff with coding, testing, and problem resolution as needed.· Apply internal best practices, coding standards, and configuration management procedures.
2026-05-21T00:00:00Z