Windows OS Engineer - TS/SCI with Polygraph
About The Position
Own your opportunity to support national defense. Your work will help keep critical operations secure and connected across the global enterprise directly, contributing to a mission that protects our nation every day. CIS is growing, and we invite both our experienced incumbents and new team members to be part of what’s next. Incumbents bring invaluable mission insight, while new talent adds fresh ideas and energy. Together, we’ll strengthen continuity and drive the next generation of innovation. As a Windows OS Engineer supporting CIS, you will engineer, maintain, and secure enterprise Windows server and client operating system platforms across complex, multinetwork environments. You will standardize and optimize OS baselines, implement modern configuration practices, and ensure stable, secure operation of critical infrastructure services. Your work directly enhances system reliability, resilience, and readiness across mission enabling environments.
Requirements
- Bachelor’s degree in an IT-related field, or 10-12+ years of relevant IT experience in lieu of a degree
- Meet DoD 8140 Information Assurance Workforce certification requirements (e.g. Security+ CE, etc.)
- Microsoft Certified: Windows Server Hybrid Administrator Associate
- Active TS/SCI clearance with a favorable polygraph
- Hands-on experience engineering and administering Windows Server and Windows client operating systems in enterprise or multinetwork environments
- Strong proficiency with Active Directory, GPO development and troubleshooting, OS deployment tooling, and automation (PowerShell, scripting)
- Experience with secure configuration practices, STIG implementation, and OS hardening
- Familiarity with patch management processes, vulnerability remediation, and configuration compliance auditing
- Ability to diagnose and resolve complex OS, authentication, and configuration issues across distributed infrastructure
- Strong documentation, communication, and cross team collaboration skills
- US citizenship required
Responsibilities
- Engineer, build, and maintain Windows server and client operating system baselines, ensuring configurations remain current, compliant, and aligned with enterprise standards
- Develop, update, and harden OS images, configuration baselines, firmware, drivers, and platform components across physical, virtual, and cloud environments
- Troubleshoot complex OS level issues involving authentication, Group Policy, networking, hardware dependencies, and multidomain environments
- Implement OS lifecycle management, including upgrades, template updates, EOL planning, and integration of new versions into production environments
- Support enterprise authentication, directory, and configuration services such as Active Directory, Group Policy Objects (GPOs), Windows Server roles, and certificate-based authentication mechanisms
- Maintain documentation, SOPs, configuration cut sheets, and engineering artifacts supporting accreditation, change management, and operational use
- Collaborate with engineering, cybersecurity, platform owners, automation teams, and operations personnel to ensure secure, performant OS deployments
- Support integration of Windows OS builds into virtualized and cloud environments, including testing, validation, and dependency mapping
- Execute OS and security patching to maintain compliance and secure configurations
- Track, remediate, and report patching and vulnerability gaps across assigned systems
Benefits
- Comprehensive benefits and wellness packages
- 401K with company match
- Competitive pay and paid time off
- Medical plan options
- Health Savings Accounts
- Dental plan options
- Vision plan
- 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match
- Full flex work weeks where possible
- Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
- Short and long-term disability benefits
- Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance
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What This Job Offers
Job Type
Full-time
Career Level
Senior
