Endpoint Systems Administrator

Job Overview

Requisition Number: 29236

Required Travel: 0 - 10%

Employment Type:

Full Time/Salaried/Exempt

Anticipated Salary Range: $61,116.00 - $

Security Clearance: TS/SCI

Level of

Experience:

Mid

HII’s Mission Technologies division is dedicated to delivering cutting‑edge solutions that advance national security and defense objectives. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise‑Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations.

The selected candidate will contribute to a high‑impact government program focused on enhancing and securing mission‑critical systems and environments. Due to the classified nature of the mission and the sensitivity of the operational environment, an active TS/SCI security clearance will be required. Candidate must be willing to obtain and maintain a CI poly.

• 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.

5+ years of progressively responsible endpoint administration experience.

• Deploy, configure, and manage Windows or Thin Linux end‑client operating system solutions.
• Install, configure, monitor, and troubleshoot Microsoft and third‑party enterprise applications across large endpoint environments.
• Perform 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.
• Apply, validate, and maintain security configurations based on Security Requirements Guides (SRGs) and Security Technical Implementation Guides (STIGs) for all supported endpoint platforms.
• Manage endpoint configuration, compliance, and automation through enterprise tools such as MECM/SCCM, Intune, or similar technologies.
• Diagnose and resolve escalated endpoint issues requiring advanced technical knowledge of OS internals, application behavior, and configuration dependencies.
• Perform post‑deployment remediation and cleanup patching using Power Shell or similar scripting tools to automate updates, enforce configuration baselines, and resolve inconsistent patch states.
• Possess TS/SCI clearance and be willing to obtain CI Poly; meet DoD 8140/CSWF for 451-Intermediate or be willing to obtain the appropriate credential within 6 months.

• Formal training or vendor certifications related to operating system administration or MECM/SCCM.
• Experience automating endpoint management tasks using Power Shell or similar scripting tools.
• Familiarity with modern endpoint management solutions such as Intune or Autopilot.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, and local law.