Demo

Classified Systems Administrator

Aerospace Corporation
Huntsville, AL Full Time
POSTED ON 7/20/2026
AVAILABLE BEFORE 8/20/2026
The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers, thought leaders, and innovators. Join us and take your place in space.

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

We offer a competitive compensation package where you'll be rewarded based on your performance and recognized for the value you bring to our business. The grade-based pay range for this job is listed below. Individual salaries within that range are determined through a wide variety of factors including but not limited to education, experience, knowledge and skills.

(Min - Max)
$95,200.00 - $142,700.00

Pay Basis: Annual

Leadership Competencies

Our leadership philosophy is simple: every employee, regardless of level and role, can demonstrate leadership. At Aerospace, our commitment is our people. To cultivate our talent and ensure that we have a strong pipeline of future leaders, we want individuals who:
  • Operate Strategically
  • Lead Change
  • Engage with Impact
  • Foster Innovation
  • Deliver Results

Ways We Reward Our Employees

During your interview process, our team will provide details of our industry-leading benefits.

Benefits vary and are applicable based on Job Type. A few highlights include:
  • 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

We are all unique, from various backgrounds and all walks of life, yet one thing bonds all of us to each other-the belief that we can make a difference. This core belief empowers us to do our best work at The Aerospace Corporation.

Equal Opportunity Commitment

The Aerospace Corporation is an equal opportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, age, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender, gender identity or expression, color, religion, genetic information, marital status, ancestry, national origin, protected veteran status, physical disability, medical condition, mental disability, or disability status and any other characteristic protected by state or federal law. If you're an individual with a disability or a disabled veteran who needs assistance using our online job search and application tools or need reasonable accommodation to complete the job application process, please contact us by phone at or by email at . You can also review Know Your Rights: Workplace Discrimination is Illegal.

Salary : $95,200 - $142,700

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