Senior Windows SysAdmin with SCI Clearance

Momentum Engineering, Inc.; Maryland; On-site; USD 155,000 - 215,000; Full time

Benefits offered by this job

11 paid holidays

minimum of 3 weeks PTO

company sponsored group medical plan

company paid dental

vision

life insurance

STD/LTD plans

Job summary

Momentum Engineering, Inc. is seeking a senior Windows System Administrator to join a high‑performing Agile team operating within SAFe for a complex, fast‑paced national security program.

You will provide daily systems administration across multiple systems with a broad geographic footprint, respond to system engineering requests, deploy and sustain new capabilities, and maintain a strong security posture aligned with NSA Full Scope Poly requirements.

Qualifications

• Active TS/SCI clearance with NSA Full Scope Polygraph is required.
• At least 7 years of Windows administration experience.
• At least 7 years in information security management, governance, risk, compliance, and operations security.
• At least 5 years with Windows AD/DNS, GPOs, SCCM, Exchange.
• Experience with Windows Command Line, PowerShell, and scripting.
• Strong understanding of security principles, architectures, and standards.
• Experience with IAVA management, networking basics, and VMware environments.

Responsibilities

• Maintain multiple Windows server environments and address patching and AD configuration issues.
• Use enterprise monitoring tools to detect, assess, and respond to alerts.
• Provide technical support and collaborate with partner workgroups across departments.
• Execute IAVA responses and system security scans; remediate findings.
• Deploy patches and security updates to designated sites; perform monthly scans.
• Document procedures clearly and accurately; respond to calls and emails promptly.
• Plan IT enhancements and support project-related work; assist in change control.

Skills

Windows administration

Active Directory & DNS

Group Policy Objects

PowerShell

IAVA management

VMware

Exchange administration

Information security governance

Security compliance

Security scanning

Education

Bachelor's degree in Computer Science/Information Technology or related field

Tools

SCCM

Exchange Management Shell

PowerShell scripting

VMware

Job description

Momentum Engineering, Inc. is seeking a senior Windows System Administrator to join a high‑performing Agile team operating within SAFe for a complex, fast‑paced national security program.

You will provide daily systems administration across multiple systems with a broad geographic footprint, respond to system engineering requests, deploy and sustain new capabilities, and maintain a strong security posture aligned with NSA Full Scope Poly requirements.