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Linux System Administrator

hackajob
Lexington, MA Full Time
POSTED ON 11/23/2025 CLOSED ON 12/21/2025

What are the responsibilities and job description for the Linux System Administrator position at hackajob?

hackajob is collaborating with Aquila Technology to connect them with exceptional tech professionals for this role.

Linux System Administrator

Clearance Level: Must be US Citizen - Must have an Active Top Secret Clearance (Willing to obtain SCI)

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 Linux System Administrator

to join our team in supporting one of the country’s premier defense research organizations. The team is seeking 2 Linux System Administrators to support the development of new technologies that enable worldwide networked operations for the military and other government agencies.The team is extensively involved in field experimentation and measurement campaigns to verify algorithms and architectural concepts in operational environments.

There Are a Few Requirements For The Position

  • Must be a U.S Citizen- Must have an active Top Secret Clearance in order to be considered (Green Cards / Visas do not qualify)
  • Willingness to undergo a comprehensive background investigation and maintain a personal security clearance. (Aquila would sponsor you for the security clearance.)
  • Must be within 100 miles of Lexington, MA (100% on-site)

Linux Systems Administrator With Some Solaris Experience.

  • Domains: IT Infrastructure, Networking, system architecture design, system configuration management, system troubleshooting
  • Responsible for management, administration, and support of all company IT systems’ infrastructure in Group.
  • Responsible for configuring and maintaining (physical and virtual) servers and researcher workstations in a secure RMF compliant and documented manor.
  • Support additional technologies as they are adopted by the company.
  • Responsible for vulnerability remediation on secure and unclassified systems. Addressing Cat 1, 2, 3 issues in a timely manner
  • Recognizing and troubleshooting issues with developer’s machines as they occur across a variety of Operating Systems. Windows, Linux, Solaris, etc.
  • Perform all related duties as assigned.

Required Technical Skills

  • Operating Systems: Red hat Enterprise Linux, Solaris and VMware
  • Hardware: Dell
  • Software/applications: RedHat IDM, McAfee; Enterprise Central Logging, LDAP, Splunk, NetApp, VMware vCenter/ESXI/vSAN, Github, ACAS
  • Networking applications and protocols: TCP/IP, DNS/DHCP, NTP, SSH
  • Programming Languages: Ansible, Shell Scripting, PowerShell.
  • Skilled at centralized authentication (SSSD, IDM, Active Directory) and centralized sudo administration via IDM

Preferred Technical Skills

  • Linux Realtime Kernel support experience is a bonus
  • Juniper and/or Cisco experience is a plus
  • Python/PyPI experience is a plus
  • Docker and/or Podman is a plus

Non-Technical Skills

  • Candidates must be team oriented, enthusiastic, innovative and motivated self-starters able to work independently, or with a group, to achieve program requirements.
  • Candidates must possess strong oral and written communications skills, and must be able to present findings/results to internal and external organizations.
  • Adhere to company/customer policies and procedures
  • Ability to work with researchers to troubleshoot diverse and custom written applications in a secure environment.

Applicable Education And Professional Accreditation

  • Degree in one of the following disciplines: Science, Technology, Engineering, Math, or a related technical discipline
  • Certification(s) in one or more of the following disciplines: Solaris administration, Red Hat, VMWare, Certified Information Systems Security Professional (CISSP); CompTIA Security ; Linux Professional Institute Certification
  • Any prior military experience is a plus. They will modify the years of experience or the required Bachelor's Degree if someone has the majority of the technical skills and a military background.

Must Have

  • Degree Level: Bachelor's Degree
  • Currently holds a Secret Clearance (OR a higher clearance)
  • 3 years - Networks
  • 3 years - Networking Applications and Protocols: TCP/IP, DNS, NTP, DHCP, SSH, FTP and HTTP/S.
  • 3 years - Programming
  • 3 years - Powershell and Ansible (or other programming languages)
  • 3 years - Systems
  • 0 years Configure and Manage Centralized Logging and Audit Capabilities
  • 5 years - Enterprise Backup Solutions
  • 5 years - Hardware: Intel/AMD, Cisco, Sun/Oracle, Dell, Apple, EMC, NetApp
  • 5 years - Redhat Linux Systems Administration
  • 3 years - Solaris 10/11 Administration
  • 5 years - Strong Backup Experience and Proven Ability to Protect Mission Critical Data
  • 3 years - Virtualization Technologies (VMware, including ESXi and VCenter configuration)

Nice to Have

  • Currently holds a Top Secret Clearance
  • Programming
  • Python Programming/Scripting
  • Systems
  • Real Time Linux Kernels, Tuning and Performance Analysis

Our interview process is designed to let you get to know us as much as for us to get to know you!

You’ll meet with someone from our Recruiting team so we can learn more about you and answer some of your questions.

You’ll meet with the Hiring Manager to learn more about the team, and the role, and get to tell us more about what you’d bring to the team

You’ll meet team members who will be your peers to help you get a feel for a “real day in the life” at Self.

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
  • 1 week of paid maternity/paternity LOA after 1 year of Full-time employment
  • Tuition & Training Reimbursement - 5K annually for pre-approved, job-related tuition, certification, or professional conferences
  • 401K with Fidelity 100% immediate vesting; Plan eligibility begins 90 days following the date of hire. Aquila matches 50 cents on the dollar, up to 6%.
  • Cell Phone & Internet Reimbursed up to $150 monthly to cover cell phone, data, and home internet expenses.
  • Buy Your Own Device (BYOD) Allowance Reimbursed up to $1500 for the purchase of a qualified technology device. Eligible after 90 days of employment, and benefit renews every three years.

Clearance Level: Candidates MUST HAVE an Active Secret clearance to be submitted to this position. STRONG preference for candidates who have an active Top Secret clearance. One of the two openings will require clearing to a TS / SCI level.

Location: This role is 100% onsite and will be working in closed spaces.

Interview Process: Candidates will have an initial zoom screening and then candidates will do a second round interview with a wider audience. An IN PERSON interview for the second round is STRONGLY preferred but they will do Zoom if necessary. Our strong preference is for a local candidate.

We are an Equal Opportunity Employer.
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Salary.com Estimation for Linux System Administrator in Lexington, MA
$81,656 to $107,234
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