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4 results for Network Security Engineer in Washington, DC
- 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.<br><br>Responsibilities:<br>• Manage and optimize network infrastructure that includes Cisco routing technologies, enterprise switching, and perimeter security platforms.<br>• Administer Palo Alto firewalls and use Strata Cloud Manager to monitor performance, enforce security policies, and support ongoing operational needs.<br>• Configure and support Aruba switching environments while leveraging Aruba Central for visibility, device management, and issue resolution.<br>• Maintain and troubleshoot Border Gateway Protocol (BGP) configurations to ensure dependable routing and external connectivity.<br>• Support Cisco ASA firewall environments by applying configuration updates, reviewing access controls, and resolving network security issues.<br>• Diagnose network incidents, identify root causes, and implement corrective actions to minimize downtime and service disruption.<br>• Collaborate with technical teams to plan, test, and implement infrastructure changes while maintaining network stability and security.<br>• Create and maintain clear technical documentation for configurations, procedures, diagrams, and support activities.
- 2026-05-04T00:00:00Z
- 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.<br><br>Responsibilities:<br>• Administer and optimize network infrastructure built on Cisco routing technologies to ensure stable and efficient connectivity.<br>• Manage Palo Alto firewall environments, including policy updates, security rule administration, and ongoing performance tuning.<br>• Support cloud-based firewall oversight and operational visibility through Strata Cloud Manager.<br>• Configure and maintain Aruba switching solutions while promoting consistent performance across the network environment.<br>• Use Aruba Central to monitor devices, troubleshoot issues, and improve centralized network management.<br>• Implement and support Border Gateway Protocol configurations to maintain resilient external and internal routing paths.<br>• Maintain and troubleshoot Cisco ASA security appliances as part of the broader network security framework.<br>• Investigate network incidents, identify root causes, and deliver timely resolutions to minimize service disruption.
- 2026-05-04T00:00:00Z
- Washington, DC
- onsite
- Temporary / Contract
- 55.66 - 55.66 USD / Hourly
- <p>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.</p><p>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.</p><p><br></p><p><strong>Key Responsibilities:</strong></p><p>· Design, configure, and validate secure systems and endpoint protection solutions.</p><p>· Implement and manage Endpoint Detection and Response (EDR) tools.</p><p>· Support integration of endpoint security data into SIEM/log aggregation systems.</p><p>· Collaborate with application and infrastructure teams to troubleshoot security issues.</p><p>· Participate in incident response and cybersecurity operations (SecOps) activities.</p><p>· Enforce and implement security requirements aligned with FISMA and NIST 800 series.</p><p>· Monitor emerging threats, vulnerabilities, and security best practices.</p><p>· Work ServiceNow ITSM tickets through completion for security operations.</p><p>· Participate in cybersecurity meetings and provide recommendations to enhance security posture.</p>
- 2026-05-20T00:00:00Z
- Gaithersburg, MD
- onsite
- Temporary / Contract
- 55 - 60 USD / Hourly
- <p>Software Engineer – Microservices / DevSecOps</p><p>Location: Gaithersburg, MD 20878</p><p>Work Arrangement: Hybrid</p><p>Clearance: Ability to obtain and maintain a Public Trust</p><p><br></p><p><br></p><p>Position Overview</p><p>We 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.</p><p>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.</p><p>WKey Responsibilities</p><p>Application Development & Architecture</p><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><p>Agile Delivery & Collaboration</p><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><p>DevSecOps & Integration</p><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><p>Operations & Optimization</p><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