Classified Systems Administrator

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.

• Perform all aspects of system administration, including installing, configuring, and patching operating systems and applications.
• Manage user accounts, permissions, and group policies.
• Maintain and monitor system performance and availability.
• Respond to and resolve incidents, from Tier1 user support through Tier3 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 Power Shell 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.

• 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.

• Minimum
  10 or more years of relevant experience with Bachelor's Degree or8 or more years of relevant experience with Master's Degree.
• Experience with Red Hat Enterprise Linux, virtualization platforms (Hyper‑V, VMWarevSphere) and Cisco networking (IOS, NexusOS).
• Experience automating repetitive tasks with scripting or Dev Ops tools.
• Knowledge and experience deploying SPLUNK and other cyber tools.

• 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 $95,200.00 - $ per annum.

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

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