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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Engineer - **Company:** Mantech International Corporation - **Location:** Washington, DC, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Systems Engineering, Microsoft Azure, Cyber Security, Systems Analysis, Microsoft SQL Server, Skype for Business, SAP (Applications), Microsoft SharePoint, Information Technology - **Published:** August 14, 2026 - **Apply:** https://www.careerboard.com/us/en/find-jobs-in-United-States/-53C339012B8934CFBA/ ## About the Role MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team for the DOE NNSA PRI contract in Washington DC. This role offers the opportunity to contribute to critical national security efforts within a leading organization. This is an onsite position., * Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or a related field and 15 years of related experience; or Master's Degree in Cybersecurity, Computer Science, Information Technology, or a related field and 12 years of related experience. * IAT Level 2 certification(s) * Experience with Sentris and MS Windows Based Applications in Mid-to-Large Environments; experience with Active Directory Domain Services * Exchange 2019, SharePoint Server 2019, SQL Server 2019, Skype for Business 2019 * Experience managing a schedule and communicating scheduling requirements to management, multi-tasking/prioritizing responsibilities and responding rapidly to changing conditions in a fast-paced environment * Excellent communication skills, with the ability to convey technical information to diverse audiences. * Ability to successfully pass Pre-Employment Drug Screening. Clearance Requirements: * Must have a current/active TS/SCI security clearance with eligibility for SAP. * Periodic Review within 5 years or enrolled in Continuous Evaluation. Physical Requirements: * Must be able to remain in a stationary position up to 75% of the time * Must be able to move about inside the office to access file cabinets, office machinery * The person in this position frequently communicates with co-workers, management, and * customers, which may involve delivering presentations. * Must be able to exchange accurate information in these situations ## Description * Perform full incident lifecycle from escalation to resolution and problem management; prepares and delivers presentations to colleagues, subordinates, and government representatives. * Assures the proper use of current or requested testing and documentation techniques; produces, reviews substantive and complex documentation reflecting detailed knowledge of areas as identified in the statement of work. * Triage, collect troubleshooting information, apply known solutions; create, direct, and resolve requests * Perform routine system operations such as health checks, administer backup and restores, execute configuration changes * Conduct system analysis and provide input to Microsoft engineering continuous improvement process. * Participate in prime & customer change control/engineering management processes; document changes to all systems; coordinate and complete deployments and upgrades with Azure Engineering and the customer. * Develop automation for most common tasks; maintain pre-production and production environments and associated code repository. ## Related Videos - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Developer Tools for Microsoft Azure](https://www.wearedevelopers.com/videos/450-developer-tools-for-microsoft-azure) - [MCP Mashups: How AI Agents are Reviving the Programmable Web](https://www.wearedevelopers.com/videos/1392-mcp-mashups-how-ai-agents-are-reviving-the-programmable-web) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Develop enterprise-ready applications for Microsoft Teams with Azure resources on modern web technologies](https://www.wearedevelopers.com/videos/187-develop-enterprise-ready-applications-for-microsoft-teams-with-azure-resources-on-modern-web-technologies) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 191: Malware interviews, EU ❤️ Open Source and Skilled Agents](https://www.wearedevelopers.com/magazine/645-dev-digest-191-malware-interviews-eu-open-source-and-skilled-agents) - [Events like RSAC Get You CISOs. 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