Role Overview
aqua IT is hiring a Senior Systems Administrator. This is a contract hybrid role, based in Gaithersburg. Part of aqua IT's Security hiring. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
Primary Responsibilities
- Lead system administration for Linux and Windows-based systems in secure, mission-critical environments.
- Architect and manage complex server, storage, and virtualization infrastructure (VMware, KVM).
- Perform OS installation, configuration, hardening, and patching in compliance with DoD STIGs and agency policies.
- Monitor and tune system performance, conduct root cause analysis, and resolve complex issues quickly and efficiently.
- Support backup/recovery strategies, disaster recovery plans, and continuity of operations.
- Oversee and maintain automation scripts and infrastructure as code (Ansible, PowerShell, Bash, etc.).
- Maintain system documentation, configuration baselines, and support CM and RM activities.
- Lead and support deployment of system enhancements and modernization initiatives for the program.
- Collaborate with cybersecurity, network engineering, and software development teams to ensure system compliance and performance.
- Participate in security audits, incident response, and operational readiness activities.
- Provide Tier 2/3 help desk support, including troubleshooting complex user issues, resolving escalated tickets, and collaborating with the service desk to minimize downtime.
Basic Qualifications
- US citizenship is required per contract.
- Active Top Secret to be considered with the ability to obtain TS/SCI with Polygraph.
- DoD 8570 IAT Level II or III certification (e.g., Security+ CE, CASP+, CISSP).
- Bachelor’s degree in Computer Science, Engineering, Information Technology, or related discipline and 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience. Additional years of experience in lieu of degree are acceptable.
- Experience with cloud platforms (AWS GovCloud, Azure Government) and hybrid cloud environments.
- Experience with Linux (Red Hat Enterprise Linux or CentOS) and Windows Server platform system administration.
- Proficiency with virtualization platforms (VMware, KVM) and management tools.
- Experience with automation and scripting (Ansible, Bash, PowerShell, Python).
- Familiarity with STIG compliance, system hardening, ACAS scans, and RMF processes.
- Strong understanding of enterprise networking, identity/access management, and storage concepts.
- Proven ability to troubleshoot, document, and lead systems-related projects independently.
- Experience supporting IC or DoD classified environments.
Frequently Asked Questions
How do I apply for the Senior Systems Administrator position at aqua IT?
Use the Apply button above to submit your application directly to aqua IT. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Is the Senior Systems Administrator role at aqua IT remote or in-office?
This is a hybrid role based in Gaithersburg. Expect a mix of in-office and remote days, with the specific cadence set by the hiring manager.
What does a Senior Systems Administrator at aqua IT earn?
aqua IT has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Senior Systems Administrator role at aqua IT posted?
This role was posted on March 19, 2026 (88 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Senior Systems Administrator role at aqua IT require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. aqua IT lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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