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Systems Administrator Security Clearance

Job in Lexington, Middlesex County, Massachusetts, 02421, USA
Listing for: Aquila Technology
Full Time position
Listed on 2026-06-24
Job specializations:
  • IT/Tech
    Cybersecurity, Unix/Linux, Systems Administrator, Systems Engineer
Job Description & How to Apply Below
Position: Systems Administrator with Security Clearance
Systems Administrator Clearance Level: Must have an Active Secret Clearance to be considered for this role. Must be US Citizens At Aquila Technology, you will see our team’s passion every day, whether we are building a robust, policy-compliant IT system or stress-testing a system to identify gaps and security vulnerabilities. To own the advantage, we ensure our team owns results and gets the work done right the first time by deploying smart, purposeful solutions that work.

Aquila is the right people with the right skills driving the right outcomes. We call this the Aquila Advantage.

About the Role:

Aquila Technology is seeking a Systems Administrator to join our team in supporting one of the country’s premier defense research organizations. The team is in need of a talented Senior Linux Systems Administrator to support a mid-sized Red Hat Linux environment with enterprise level requirements. The qualified candidates should be experienced in current Linux environments and have a strong understanding of system/network architecture and design.

This role is responsible for performing systems administration on Red Hat 8/9 servers, Red Hat Identity Management (IdM), and Red Hat Ansible Automation. The ideal candidate will also demonstrate experience in server performance optimization, cyber security, OS and application patching, McAfee suite, scripting, storage, and disaster recovery. Must Have
* Certification:
Security+ Certification
* Clearance Level: Currently holds a Secret Clearance (OR a higher clearance)
* 5 years Networking Applications and Protocols: TCP/IP, DNS, NTP, DHCP, SSH, FTP and HTTP/S.
* 5 years SSH Server implementation, Linux Networking Configuration, Host Based Firewall, Web Server
* 5 years Scripting

Experience:

Python, Ansible, TCL or Bash
* 5 years Configuration of Distributed Environments, including NFS for Storage
* 5 years Configure and Maintain a Number of Linux Systems Utilizing Scripting Languages and Automation Tools
* 5 years Diagnose and Troubleshoot Issues
* 5 years Enterprise Backup Solutions
* 3 years Linux Patch Management
* 3 years MS Active Directory, LDAP
* 5 years Redhat Linux Systems Administration Nice to Have
* Certification:
Linux+ Certification
* Red Hat Linux Certification
* Degree Level: Bachelor’s Degree
* Centralized Account Management
* Configure and Manage Centralized Logging and Audit Capabilities
* Virtualization Technologies (VMware, including ESXi and VCenter configuration) Required Skills
* Strong knowledge of Red Hat 8/9 Linux
* Experience in setting up and deploying network services (e.g. Git Lab/Git Hub, Apache Web Server, NFS server)
* Centralized account management (experience with Red Hat Identity Management or Free IPA server is a plus)
* Security+
* Linux+ or equivalent
* Applied understanding of system hardening (experience with DoD system hardening guidelines is preferred, but not required) Knowledge/experience with one or more of the following are plus:
* Knowledge of Virtualization Technologies such as VMware or Red Hat Virtualization
* Network support including SSH server implementation, Linux networking configuration, NFS, Host Based Firewall, Web Servers
* PKI, Multi-Factor Authentication, and PIV Technologies
* Linux kernel, system tuning and performance analysis
* Remote KVM experience
* BS in Computer Science or related field and 5 years experience or MS Computer Science or related field and 2 years experience Benefits and Perks:
Aquila team members experience the opportunity to be part of a fast-paced, customer-focused, and technically innovative work environment. Aquila strives to deliver the best of the best in technical services to our customers. Candidates that possess a love for technical challenges, a desire to constantly learn, and the desire to establish themselves as critical players within a team will enjoy calling Aquila Technology home.

Our Perks Include: PTO – 15 days (vacation/sick) 10 paid holidays – 6 standard (New Year’s, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas) – 4 floating holidays prorated based on your day of hire:
* 1.5 paid days, or 12 hours, for approved volunteer work
*…
Position Requirements
5+ Years work experience
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