Senior Windows SysAdmin | TS/SCI with Poly

Momentum Engineering, Inc.; Annapolis (MD); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

11 paid holidays

3 weeks PTO

Company medical plan

Company dental

Vision insurance

Life insurance

STD/LTD plans

Job summary

Momentum Engineering, Inc. seeks a Senior Windows System Administrator to support a fast-paced program within SAFe.

The role involves daily systems administration across a broad geographic footprint, deploying and sustaining new capabilities, and ensuring security and compliance in a high-security environment. The candidate will manage AD/DNS, GPOs, SCCM, Exchange, PowerShell scripting, and IAVA management while coordinating with cross-functional teams and maintaining thorough documentation.

Qualifications

• Active Top Secret/SCI clearance with NSA Full Scope Polygraph is required.
• 7+ years Windows administration experience.
• 7+ years information security management with governance, risk & compliance.
• 5+ years with Active Directory, DNS, GPOs, SCCM, Exchange (admin & Shell).
• Proficiency in Windows CLI, PowerShell, and scripting.
• Strong security principles and standards understanding.
• Experience with IAVA management and enterprise monitoring.

Responsibilities

• Maintain multiple virtual server clusters and address patching and AD configuration issues.
• Use enterprise monitoring tools to detect and respond to alerts.
• Provide technical support across partner teams and ensure collaboration.
• Manage IAVAs and system security scans per SSPs, remediate vulnerabilities.
• Deploy patches and security updates across sites and perform monthly scans.
• Identify and resolve hardware/software problems proactively.
• Communicate outages and status updates to users; document clearly.
• Draft and maintain accurate system documentation.
• Respond to calls and emails promptly; plan IT enhancements.
• Support on-call system administration and maintenance activities.

Skills

Top Secret clearance

NSA Full Scope Polygraph

SAFe / Agile

PowerShell scripting

Analytical skills

Technical problem solving

Attention to detail

Education

Bachelor's degree in CS/IT or related field

12 years prior relevant experience

Tools

Active Directory

DNS

Group Policy Objects (GPOs)

Microsoft SCCM

Exchange admin & Shell

PowerShell

IAVA management

VMware

Networking basics

Job description

Momentum Engineering, Inc. seeks a Senior Windows System Administrator to support a fast-paced program within SAFe.

The role involves daily systems administration across a broad geographic footprint, deploying and sustaining new capabilities, and ensuring security and compliance in a high-security environment. The candidate will manage AD/DNS, GPOs, SCCM, Exchange, PowerShell scripting, and IAVA management while coordinating with cross-functional teams and maintaining thorough documentation.