Senior System Administrator: Secure, High-Impact IT Ops

Momentum Engineering, Inc.; Annapolis (MD); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

11 paid holidays

3 weeks PTO

Company sponsored group medical plan

Dental insurance

Vision insurance

Life insurance

STD/LTD

Job summary

Momentum Engineering, Inc. is seeking a Mid-Senior System Administrator to support a large, complex network with multiple air-gapped domains. The role requires strong system administration, security hardening, and documentation skills within a fast-paced environment.

Candidates must hold an active TS/SCI clearance and NSA Full Scope Polygraph. The position involves maintaining server and desktop configurations, applying patches, and implementing secure architectures across Windows and Linux

Qualifications

• Must have active Top Secret/SCI clearance with NSA Full Scope Polygraph.
• 8+ years of relevant systems admin experience providing end-user and technical staff support.
• Proficient with Windows Server and Active Directory; Linux and Windows 2019 experience.
• Experience with security hardening, DISA/High Assurance environments, and patch management.
• Familiarity with SALT, Ansible, Splunk, Puppet, SolarWinds, Nessus.
• Knowledge of Red Hat 7/8, VMware, and network infrastructure.
• Ability to document security accreditation materials and support security certification efforts.
• Willingness to travel for short durations as needed.

Responsibilities

• Install and administer systems, applications, and processes; resolve issues promptly.
• Ensure servers and desktops are configured, optimized, and running continuously.
• Perform security management and application performance optimization tasks.
• Administer web-based information storage and sharing systems; maintain complex server enclaves.
• Manage patching, cert renewals, vulnerability assessments, and Active Directory configurations.
• Identify hardware/software issues and implement repair or rework solutions.
• Create documentation for complex server/network environments for incident resolution.
• Coordinate with users and support personnel on outages and upgrades.

Skills

Top Secret/SCI clearance

8+ years experience

System administrator

Team collaboration

Fast-paced environment adaptability

Physical lifting 50 lbs

Education

Bachelor's Degree in System Engineering, Computer Science, Information Systems, Engineering Science, or related field

Tools

Windows Server

Active Directory

Linux

VMware

Salt

Ansible

Puppet

Splunk

Nessus

SolarWinds

KVM

PowerShell

PowerCLI

SQL Server

Red Hat 7/8

IIS

Tomcat

HSM PKI

Job description

Momentum Engineering, Inc. is seeking a Mid-Senior System Administrator to support a large, complex network with multiple air-gapped domains. The role requires strong system administration, security hardening, and documentation skills within a fast-paced environment.

Candidates must hold an active TS/SCI clearance and NSA Full Scope Polygraph. The position involves maintaining server and desktop configurations, applying patches, and implementing secure architectures across Windows and Linux