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Senior Linux System Engineer Jobs in Exeter, NH (NOW HIRING)

Act as a senior technical escalation point during system disruptions or downtime events. * Partner ... Working knowledge of SQL, Python, and Linux for diagnostics, log review, and system interaction.

Act as a senior technical escalation point during system disruptions or downtime events. * Partner ... Working knowledge of SQL, Python, and Linux for diagnostics, log review, and system interaction.

Senior Systems Engineer

Portsmouth, NH · Hybrid

$106K - $145K/yr

Senior System Engineer Department: Infrastructure & IT Management Reports To: Manager, IT Infrastructure Location: Portsmouth, NH Hybrid, 2 days per week on site Build, Secure, and Evolve Mission ...

Senior Systems Engineer

Portsmouth, NH · On-site

$106K - $145K/yr

Senior System Engineer Department: Infrastructure & IT Management Reports To: Manager, IT Infrastructure Location: Portsmouth, NH Hybrid, 2 days per week on site Build, Secure, and Evolve Mission ...

Senior Systems Engineer

Portsmouth, NH · Hybrid

$106K - $145K/yr

Senior System Engineer Department: Infrastructure & IT Management Reports To: Manager, IT Infrastructure Location: Portsmouth, NH Hybrid, 2 days per week on site Build, Secure, and Evolve Mission ...

Join our Linux Kernel Engineering team and play a central role in the reliability, performance, and ... If you enjoy deep kernel debugging, building robust CI systems, and owning kernel releases from ...

Join our Linux Kernel Engineering team and play a central role in the reliability, performance, and ... If you enjoy deep kernel debugging, building robust CI systems, and owning kernel releases from ...

Join our Linux Kernel Engineering team and play a central role in the reliability, performance, and ... If you enjoy deep kernel debugging, building robust CI systems, and owning kernel releases from ...

Join our Linux Kernel Engineering team and play a central role in the reliability, performance, and ... If you enjoy deep kernel debugging, building robust CI systems, and owning kernel releases from ...

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Showing results 1-20

Senior Linux System Engineer information

See Exeter, NH salary details

$102.3K

$130.2K

$161.3K

How much do senior linux system engineer jobs pay per year?

As of Aug 5, 2026, the average yearly pay for senior linux system engineer in Exeter, NH is $130,166.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,100.00 and $140,400.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior Linux system engineer?

To thrive as a Senior Linux System Engineer, you need deep expertise in Linux operating systems, scripting (such as Bash, Python, or Perl), system architecture, and a relevant degree or equivalent experience. Familiarity with configuration management tools (like Ansible or Puppet), virtualization platforms, cloud services, and certifications such as RHCE or LPIC are highly valued. Strong problem-solving, collaboration, and communication skills help you efficiently manage complex environments and mentor junior staff. These capabilities are crucial for ensuring system stability, security, and scalability in mission-critical IT infrastructures.

What are some common challenges a senior Linux system engineer faces when managing large-scale server environments?

Senior Linux System Engineers often encounter challenges related to maintaining system uptime, managing complex configurations, and ensuring security across a large number of servers. Troubleshooting issues in distributed environments, automating repetitive tasks, and keeping systems up-to-date with the latest patches are also frequent responsibilities. Collaboration with development, security, and networking teams is essential to resolve cross-functional issues and implement new solutions efficiently. Staying current with evolving technologies and best practices is key to overcoming these challenges and excelling in the role.

What does a senior Linux system engineer do?

A Senior Linux System Engineer is responsible for designing, implementing, maintaining, and troubleshooting Linux-based systems and servers within an organization. They ensure the reliability, security, and optimal performance of these systems, often leading projects and mentoring junior engineers. Their tasks may include automation, scripting, system updates, monitoring, and responding to incidents. They also collaborate with other IT teams to support business needs and implement best practices for system administration.

What is the difference between Senior Linux System Engineer vs Linux System Administrator?

AspectSenior Linux System EngineerLinux System Administrator
CertificationsLinux Professional Institute Certification (LPIC), RHCELPIC, RHCE often preferred
Work EnvironmentDesigning, implementing, and optimizing Linux infrastructureMaintaining and supporting existing Linux systems
ResponsibilitiesAdvanced troubleshooting, system architecture, scriptingSystem setup, user management, routine maintenance

The Senior Linux System Engineer typically focuses on designing and optimizing Linux environments, requiring advanced skills and certifications. In contrast, the Linux System Administrator handles daily maintenance and support tasks. Both roles often require similar certifications and work in similar environments, but their responsibilities differ in scope and complexity.

What are popular job titles related to Senior Linux System Engineer jobs in Exeter, NH? For Senior Linux System Engineer jobs in Exeter, NH, the most frequently searched job titles are:
What cities near Exeter, NH are hiring for Senior Linux System Engineer jobs? Cities near Exeter, NH with the most Senior Linux System Engineer job openings:
Infographic showing various Senior Linux System Engineer job openings in Exeter, NH as of June 2026, with employment types broken down into 98% Full Time, and 2% Contract. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $130,166 per year, or $62.6 per hour.

Sr. Principal Linux Systems Administrator

Raytheon

Andover, MA • On-site

Full-time

Posted 17 days ago


Raytheon rating

9.1

Company rating: 9.1 out of 10

Based on 99 frontline employees who took The Breakroom Quiz

2nd of 536 rated manufacturers


Job description

Job Summary:
Raytheon is the world's largest aerospace and defense company, focused on solving complex problems. The Sr. Principal Linux Systems Administrator will lead a team to support classified programs, developing and maintaining secure IT environments.
Responsibilities:
• Manage and optimize Red Hat Enterprise Linux infrastructure, ensuring reliable and secure IT operations.
• Act as a senior technical resource for the team to maintain confidentiality, integrity, and availability of assigned IT systems and applications.
• Partner with Cybersecurity teams to maintain compliance with security requirements and provide documentation, training, and guidance on advanced IT processes and procedures.
• Mentor and guide junior administrators across a broad range of responsibilities, including corrective and preventive maintenance, routine operational tasks, account management, and system performance tuning.
• Lead and contribute to technical meetings with internal teams and program stakeholders, providing technical guidance and best practice to ensure successful outcomes.
• Develop, document, and enforce system administration processes, standards, and best practices.
• Participate in Change Request reviews and serve on Change Management Boards at various program levels.
• Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
• Travel to other US Domestic locations may be required as business needs dictate. Up to 10% per year.
Qualifications:
Required:
• Typically requires a bachelor’s degree or equivalent experience and minimum 8 years prior relevant experience, or an Advanced Degree in a related field and minimum 5 years’ experience.
• Advanced experience administering Red Hat Enterprise Linux environments
• Experience mentoring both individuals and teams.
• Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) within a reasonable amount of time.
• Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Preferred:
• Experience with any of the following technologies: VMware, Kubernetes, OpenShift, Podman, Infrastructure as Code (Terraform and/or Ansible), Windows administration.
• Scripting/coding proficiency (Python/Go/PowerShell/Bash)
• Experience supporting engineers in software, simulations, and hardware development.
• Experience working with NISPOM, JAFAN, JSIG, and/or DoD/RMF guidelines.
• Strong communication skills, with ability to influence and drive change with peers and leaders across the organization.
Company:
Raytheon, an RTX business, creates next-generation defense solutions that are smarter, faster and better than previously thought possible. Founded in 1948, the company is headquartered in Waltham, USA, with a team of 10001+ employees. The company is currently Late Stage.

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