Endpoint Systems Administrator – Cyber & Mission IT

Mission Technologies, a division of HII; Springfield (VA); Presencial; USD 61 000 - 125 000; Tempo integral

Resumo da oferta

Mission Technologies, a division of HII, is seeking an Endpoint Systems Administrator to secure and optimize enterprise endpoints for a high‑impact government program. The role requires TS/SCI clearance and CI poly willingness, with full lifecycle endpoint management and patching responsibilities.

The position emphasizes OS image management, software deployment, and collaboration with cybersecurity teams to meet SRG/STIG requirements.

Qualificações

• 5+ years of progressively responsible endpoint administration experience.
• Deploying, configuring, and managing Windows or ThinLinux end‑client operating system solutions.
• Installing, configuring, monitoring, and troubleshooting Microsoft and third‑party enterprise applications across large endpoint environments.
• Performing comprehensive operating system and application patching via MECM/SCCM, including researching updates, testing in controlled environments, deploying to production, troubleshooting failures, and executing rollback procedures when required.
• Applying, validating, and maintaining security configurations based on SRGs/STIGs for all supported endpoint platforms.
• Managing endpoint configuration, compliance, and automation through MECM/SCCM, Intune, or similar technologies.
• Diagnosing and resolving escalated endpoint issues requiring advanced technical knowledge of OS internals, application behavior, and configuration dependencies.
• Post‑deployment remediation and cleanup patching using PowerShell or similar scripting tools to automate updates, enforce configuration baselines, and resolve inconsistent patch states.
• TS/SCI clearance required with ability to obtain CI Poly.
• Must meet DoD 8140/CSWF for 451-Intermedediate or be willing to obtain the appropriate credential within 6 months.

Responsabilidades

• Develop, maintain, and optimize standard operating system images for all enterprise endpoint devices.
• Own the full lifecycle of desktop OS platforms, including design, configuration, testing, release, documentation, and continuous improvement.
• Manage deployment, maintenance, and version control for major enterprise applications and core endpoint software suites.
• Lead the patch management process for operating systems, security updates, and application patches; ensure timely, compliant, and well‑communicated release cycles.
• Evaluate and integrate new tools, technologies, and methods to improve endpoint stability, security, and performance.
• Collaborate with cybersecurity teams to ensure compliance with security policies, vulnerability remediation, and hardening standards.
• Create and maintain technical documentation, configuration baselines, and operational procedures.
• Provide Tier 3 support for escalated endpoint issues requiring deep technical expertise.
• Monitor system performance, reliability, and patch compliance using enterprise management tools.
• Participate in strategic planning for endpoint technology architecture and long‑term modernization efforts.

Conhecimentos

Endpoint administration

Windows & Linux

MECM/SCCM

Intune

PowerShell

Patch management

Security STIGs

CI poly

Troubleshooting

Formação académica

HS diploma or equivalent

Bachelor’s degree

Master’s degree

Ferramentas

MECM/SCCM

Intune

PowerShell

Descrição da oferta de emprego

Mission Technologies, a division of HII, is seeking an Endpoint Systems Administrator to secure and optimize enterprise endpoints for a high‑impact government program. The role requires TS/SCI clearance and CI poly willingness, with full lifecycle endpoint management and patching responsibilities.

The position emphasizes OS image management, software deployment, and collaboration with cybersecurity teams to meet SRG/STIG requirements.