At a glance
- Type
- Full Time
- Location
- Maryland
- Posted
- Oct 12, 2026
- Company size
- Startup (1-50)
- Industry
- Technology/Software
About the role
Job Summary
Seeking a senior Windows System Administrator to join a high‐performing Agile team operating within the Scaled Agile Framework (SAFe) in support of a complex, fast‐paced program
The selected candidate will provide daily systems administration and operations and maintenance support across multiple systems with a broad geographic footprint
Key responsibilities include responding to system engineering requests that support operational requirements, as well as engineering, deploying, and sustaining new capabilities within the environment
Primary Responsibilities
- Maintaining multiple virtual server clusters and addressing system scan findings, vulnerability management patching, and Active Directory configuration issues
- Using enterprise monitoring tools to detect, assess, and respond to alerts
- Providing technical support to partner workgroups on overlapping efforts while maintaining strong interdepartmental collaboration
- Managing Information Assurance Vulnerability Alerts (IAVAs) and system security scanning in accordance with applicable System Security Plans, ensuring vulnerabilities are identified and remediated quickly and accurately
- Initiating IAVA responses and system security scans, completing remediation actions, deploying patches and security updates to designated sites, and executing monthly security scans
- Identifying and resolving hardware and software problems
- Proactively notifying customers when test infrastructure delays may affect their ability to complete business functions on time and communicating system outages and publishing status updates to users, as needed
- Authoring and maintaining clear, accurate, and concise documentation
- Responding to calls and emails in a timely and professional manner
- Planning and implementing IT enhancements and supporting project‐related work
- Responding to system administration, operations, and maintenance issues on an on-call basis when required
Required Qualifications
- Must have active Top Secret/SCI clearance with NSA Full Scope Polygraph
- Must have at least 7 years of Windows administration experience
- Must have at least 7 years of experience in information security management, with demonstrated expertise in security governance, risk management, compliance, and operational security functions
- Must have at least 5 years of experience with each of the following:
- Implementing and managing Windows Active Directory and DNS environments
- Creating and managing Group Policy Objects (GPOs)
Microsoft SCCM
- Microsoft Exchange administration and Exchange Management Shell
- Must have experience with Windows Command Line, PowerShell, and PowerShell scripting
- Strong understanding of advanced security protocols, standards, and information security principles is a must
Experience with software and security architectures
- Hands‐on experience with IAVA management
- Hands‐on experience supporting users, optimizing system operations, and monitoring enterprise IT systems
- Commitment to best practices, including compliance with maintenance windows and change control procedures
- Familiarity with Windows and Linux operating systems, VMware, and networking technologies including switches, routers, LANs, and cabling
- Must have strong analytical skills, attention to detail, and the ability to work effectively both independently and as part of a team
Desired Qualifications
- Bachelor's degree in Computer Science, Information Technology, or a related technical field and 12 years of prior relevant experience
- Experience documenting and supporting security accreditation and certification activities
- Experience with network security technologies, including multi‐domain solutions, PKI, SSPs, and vulnerability assessments
- Experience with data center design and configuration, including rack‐and‐stack, power planning, and equipment placement
Experience with VMware
- Experience using automation tools such as Ansible or SaltStack
- Experience serving in a System Administrator role supporting software configuration management and development environments
- Exempt hourly position. 11 paid holidays, minimum of 3 weeks PTO, company sponsored group medical plan, company paid dental, vision, life insurance, and STD/LTD plans. Salary is dependent upon the candidate’s experience and qualifications.
About Momentum Engineering
Momentum Engineering
Technology/Software · Startup (1-50)
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