The Aerospace Corporation · Huntsville, AL

Classified Systems Administrator at The Aerospace Corporation — Huntsville, AL

Full-timeHuntsville, AL$95,200–$142,700/yearPosted 2026-07-17Apply on Workday

Full job description

Classified Services is responsible for Aerospace’s classified enterprise IT environment. As a Classified Systems Administrator (Systems Administration Staff III/IV), you will oversee server and endpoint infrastructure that supports some of the company’s most critical missions. You will join a company that develops cutting edge solutions for our nation’s most complex space enterprise and mission assurance challenges.

The selected candidate will be required to work full-time, on-site in Huntsville, AL.

What You’ll Be Doing

  • Perform all aspects of system administration, including:
  • Installing, configuring, and patching operating systems and applications
  • Managing user accounts, permissions, and group policies
  • Maintaining and monitoring system performance and availability
  • Responding to and resolving incidents, from Tier 1 user support through Tier 3 complex technical issues
  • Administer, secure, and maintain a diverse infrastructure including:
  • Windows Server/Desktop, Linux, and Virtualization
  • Administer and improve endpoint protection, backup, and disaster recovery capabilities
  • Develop PowerShell and Ansible scripts to automate administration and compliance tasks
  • Evaluate and remediate security findings from Tenable (ACAS) and SCAP/STIG tools
  • Maintain compliance with RMF, NIST 800-53, and DISA STIG requirements

What You Need to be Successful

Minimum Requirements for Systems Administration Staff III:

  • Active Secret clearance
  • DoD approved 8570 baseline certification such as Security+ or equivalent
  • Minimum 6 or more years of relevant experience with Bachelor’s Degree
  • Proficiency with Windows Server/Active Directory and Windows Desktop
  • Working knowledge of RMF, NIST 800-53, and DISA STIGs
  • Demonstrated ability to remediate vulnerabilities identified by ACAS and SCAP tools

In addition to the above, the minimum requirements for Systems Administration Staff IV include:

  • Minimum 10 or more years of relevant experience with Bachelor’s Degree or, 8 or more years of relevant experience with Master’s Degree
  • Experience with Red Hat Enterprise Linux, virtualization platforms (Hyper-V, VMWare VSphere) and Cisco networking (IOS, Nexus OS)
  • Experience automating repetitive tasks with scripting or DevOps tools
  • Knowledge and experience deploying SPLUNK and other cyber tools

How You Can Stand Out

It would be impressive if you have these:

  • Advanced degree/certifications
  • An active Top-Secret clearance with SCI eligibility
  • Experience in designing, deploying, and securing complex IT architectures
  • Ability to brief leadership and coordinate with stakeholders on technical solutions
  • Project management skills and experience

(Min - Max)

$95,200.00 - $142,700.00

Pay Basis: Annual

Leadership Competencies

  • Operate Strategically
  • Lead Change
  • Engage with Impact
  • Foster Innovation
  • Deliver Results

Ways We Reward Our Employees

  • Comprehensive health care and wellness plans
  • Paid holidays, sick time, and vacation
  • Standard and alternate work schedules, including telework options
  • 401(k) Plan — Employees receive a total company-paid benefit of 8%, 10%, or 12% of eligible compensation based on years of service and matching contributions; employees are immediately eligible and vested in the plan upon hire
  • Flexible spending accounts
  • Variable pay program for exceptional contributions
  • Relocation assistance
  • Professional growth and development programs to help advance your career
  • Education assistance programs
  • An inclusive work environment built on teamwork, flexibility, and respect

Equal Opportunity Commitment