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Sr Linux Systems Engineer Jobs (NOW HIRING)

Sr. Linux Systems Administrator Clearance Level: Candidates must have an active Secret clearance to be considered. Must be US Citizen. Location: Must live within 100 miles of Lexington, MA At Aquila ...

CompTIA Security+ Senior Linux Systems Engineer / Linux SME DPG is seeking a Senior Linux Systems Engineer / Linux SME to support a mission critical customer in a classified environment. This role is ...

Senior Linux Engineer Location: Orange, Connecticut (Onsite) Job Type: Full-Time Contract Job ... Perform system administration tasks including user management, security hardening, system ...

ORA_ON_SITE Description SAIC is recruiting for a Senior Linux Systems Administrator to join our ... B.S. in Computer Science, Information Technology, Software Engineering, or related field and five ...

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Sr Linux Systems Engineer information

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$100.5K

$127.9K

$158.5K

How much do sr linux systems engineer jobs pay per year?

As of Sep 10, 2026, the average yearly pay for sr linux systems engineer in the United States is $127,927.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,000.00 and $138,000.00 per year, depending on experience, location, and employer.

What is a Sr Linux Systems Engineer?

Sr Linux Systems Engineers are experienced IT professionals who specialize in designing, implementing, and maintaining Linux-based systems and infrastructure. They are responsible for ensuring the stability, security, and efficiency of Linux servers, often managing complex environments for enterprises or cloud platforms. Their duties typically include system architecture planning, troubleshooting, automation through scripting, performance tuning, and supporting software deployment. Senior engineers also mentor junior staff and help develop IT policies and best practices.

What are the key skills and qualifications needed to thrive as a Sr Linux Systems Engineer?

To thrive as a Sr Linux Systems Engineer, you need deep expertise in Linux system administration, scripting (such as Bash or Python), networking, and a bachelor’s degree in computer science or a related field. Familiarity with configuration management tools (e.g., Ansible, Puppet), virtualization platforms, cloud services, and relevant certifications like RHCE are highly valued. Strong problem-solving skills, effective communication, and the ability to work independently or lead teams set top performers apart. These skills and qualities are crucial for maintaining system reliability, optimizing infrastructure, and ensuring seamless operations in complex technical environments.

What are some common challenges faced by a Sr Linux Systems Engineer, and how can they be addressed?

Sr Linux Systems Engineers often encounter challenges such as managing large-scale server environments, ensuring system security, and troubleshooting complex performance issues. Staying updated with the latest security patches and best practices is essential to mitigate vulnerabilities. Effective communication with cross-functional teams is also crucial, as the role often involves collaborating with developers, network engineers, and support staff to resolve incidents and implement system improvements. Regularly automating routine tasks with scripting can help streamline workflows and reduce manual errors.

What is the difference between Sr Linux Systems Engineer vs Linux Systems Administrator?

AspectSr Linux Systems EngineerLinux Systems Administrator
CertificationsLinux Professional Institute Certification (LPIC), RHCELPIC, RHCE
Work EnvironmentDesigning, implementing, and optimizing Linux infrastructureMaintaining, monitoring, and supporting Linux systems
ResponsibilitiesAdvanced system architecture, scripting, troubleshooting complex issuesRoutine system setup, updates, user management

While both roles require Linux certifications like LPIC or RHCE, Sr Linux Systems Engineers focus on designing and optimizing Linux environments, whereas Linux Systems Administrators handle daily maintenance and support tasks. The engineer role involves more strategic planning and complex problem-solving, making it suitable for those with advanced skills and experience.

More about Sr Linux Systems Engineer jobs

What are popular job titles related to Sr Linux Systems Engineer jobs?

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Infographic showing various Sr Linux Systems Engineer job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 86% Full Time, 9% Part Time, 3% Contract, and 1% Nights. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution, with an average salary of $127,927 per year, or $61.5 per hour.

Sr. Linux Systems Administrator

On-site

Other

Retirement, PTO

Posted 6 days ago


Job description

Sr. Linux Systems Administrator Clearance Level:

Candidates must have an active Secret clearance to be considered. Must be US Citizen.

Location:

Must live within 100 miles of Lexington, MA

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 Sr. Linux Systems Administrator to support one of the nation’s premier defense research organizations. The team is in need of a talented Senior Linux Systems Administrator to support a mid‑sized RedHat Linux environment with enterprise level requirements. 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 7/8 servers, Red Hat Identity Management (IdM), Red Hat Ansible Automation, and occasional Windows desktop and server. The ideal candidate will also demonstrate experience in server performance optimization, cyber security, OS and application patching, McAfee suite, scripting, storage, and disaster recovery.

Responsibilities include:
  • Support projects involving developing and maintaining networks used to process and evaluate data collected from field tests and flight experiments.
  • Perform systems administration on Red Hat 7/8 servers, Red Hat Identity Management (IdM), Red Hat Ansible Automation, and occasional Windows desktop and server.
  • Performance optimization, cyber security, OS and application patching, McAfee suite, scripting, storage, and disaster recovery.
Must Have
  • Degree Level: Bachelor’s Degree
  • Discipline/Major: Major in Computer Science
  • 3 years – Scripting and Task Automation (e.g. server installation, patch management, configuration)
  • 1 years – Raritan KVM
  • 3 years – Linux Kernel Networking
  • 1 years – PKI, Multi‑Factor Authentication, and PIV Technologies
  • 3 years – Full Software Lifecycle Automation and Testing Tools
  • 3 years – GitLab
  • 3 years – Configure and Manage Centralized Logging and Audit Capabilities
  • 5 years – Hardware: Intel/AMD, Cisco, Sun/Oracle, Dell, Apple, EMC, NetApp
  • 5 years – Linux OS and scripting
  • 3 years – MS Active Directory, LDAP
  • 3 years – Red Hat 6/7/8 Linux Development Environment
  • 3 years – Red Hat Identity Management (IdM) or Free IPA Server
  • 3 years – Strong Backup Experience and Proven Ability to Protect Mission Critical Data
  • 5 years – Systems Administration
  • 3 years – UNIX platform, OSX, Cisco IOS
  • 1 years – Virtualization Technologies (VMware, including ESXi and VCenter configuration)
  • 1 years – Virtualization Technologies to include VM management, Snapshots, SANs and iSCSI Storage Systems
Required Skills:
  • Strong knowledge of Red Hat 7/8 Linux
  • Strong experience in scripting languages such as bash, python, or similar
  • Experience in setting up and deploying network services (e.g. GitLab/GitHub, Apache Web Server, NFS server)
  • Centralized account management (experience with Red Hat Identity Management or Free IPA server is a plus)
  • Possess or have the ability to obtain security relevant certifications within 6 months (e.g. Security+, Linux+ or equivalent)
  • Qualified candidates should be experienced in current Linux environments and have a strong understanding of system and network architecture and design.
Preferred Skills:
  • Applied understanding of system hardening (experience with DoD system hardening guidelines is preferred, but not required)
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, Eligible full-time team members who have completed a minimum of six (6) months of employment may apply for tuition reimbursement for approved, job‑related courses taken through an accredited college or university. Team members must achieve a grade of “B” or better to qualify for reimbursement.Aquila will reimburse up to $5,000 per fiscal year for tuition expenses only. Expenses related to training programs, certifications, books, materials, meals, transportation, or other non‑tuition costs are not eligible under the Tuition Reimbursement Program. All tuition reimbursement requests must be submitted to and approved by the team member’s Manager prior to course registration. Reimbursement will be issued upon successful course completion and submission of final grades and proof of payment.

401K with Fidelity – Eligible to participate following 90 days of employment. Company match on employee contribution:

  • $1/$1 up to 3%, then .50 cents / $1 for 4th and 5th %s
  • Fully vested from day one
  • Company match does not apply to catch‑up contribution
Cell Phone & Internet Reimbursed

up to $150 monthly to cover cell phone, data, and home internet expenses. Aquila Technology will reimburse team members who work from home ONLY for cell phone/mobile device fees for work‑related communications and/or operations each month. Employees eligible for this benefit must work remote 2 days a week or more to qualify.

Buy Your Own Device (BYOD)

Team members are eligible for reimbursement of up to $1,500 every three (3) years for the purchase of electronic equipment used to access corporate services. To qualify for this benefit, employees must have completed a minimum of six (6) months of employment and must agree to and sign the Device Minimum Configuration Form prior to reimbursement. Electronic devices eligible under the Buy Your Own Device (BYOD) program are limited to cell phones, laptops, and tablets.

Work location: Onsite – Candidate should expect to be onsite 4-5 days a week. Clearance Level:

Candidates must have an active Secret clearance to be considered – Must be US Citizen

Travel:

Mainly domestic but possible international travel.

Interview Process:

Initial interview will be zoom screen with HM. If candidate advances to next round, will be a larger interview with technical team.

We are an Equal Opportunity Employer
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