ZipRecruiter

Log In

1

Senior Linux System Engineer Jobs in Lexington, KY

Ameresco

Be Seen First

Senior Controls System Specialist

Lexington, KY · On-site

$40 - $50/hr

As a Controls Senior System Specialist, you will play a critical role in the design, implementation ... Your expertise in controls engineering, system integration, project leadership, and technical ...

Pacer Staffing

Senior Planning Engineer

Georgetown, KY · On-site

$65 - $70/hr

Experience with conveyor systems. * Experience with MSRC and/or Machine Risk Analysis. * Experience ... Position Summary We are seeking a passionate and highly motivated Planning Senior Engineer to ...

Pacer Staffing

Senior Planning Engineer

Georgetown, KY · On-site

$65 - $70/hr

Experience with conveyor systems. * Experience with MSRC and/or Machine Risk Analysis. * Experience ... Position Summary We are seeking a passionate and highly motivated Planning Senior Engineer to ...

legence

Senior Electrical Engineer

Arlington, VA

$123K - $161K/yr

As a Senior Electrical Engineer, you'll lead the design and coordination of electrical systems that power the spaces where people live, learn, work, and heal. You'll work with a collaborative team on ...

Astemo

Sr. Test Engineer

Harrodsburg, KY

Astemo is a leading manufacturer of vehicle engine management systems and transmission control ... The Sr. Test Engineer is a senior technical leader responsible for driving test strategy, design ...

Astemo Ltd

Sr. Test Engineer

Harrodsburg, KY · On-site

Astemo is a leading manufacturer of vehicle engine management systems and transmission control ... The Sr. Test Engineer is a senior technical leader responsible for driving test strategy, design ...

Prolim Global

Sr. OT Network Engineer

Georgetown, KY · On-site

$93K - $128K/yr

We are seeking a highly motivated and experienced Sr. OT Network Engineer with over 10 years of experience to join our dynamic System Solution team. This position is ideal for a candidate a hands-on ...

Xerox

Sr. Mechanical Engineer

Lexington, KY · On-site

$109K - $192K/yr

The Sr. Mechanical Engineer is responsible for supporting Product & Process Quality Assurance (PPQA ... System Reliability Testing (SRT) Leadership * Serve as the Lexington site lead and process owner ...

next page

Showing results 1-20

All JobsLinux System Engineer JobsSenior Linux System Engineer JobsSenior Linux System Engineer Jobs in Lexington, KY

Senior Linux System Engineer information

See Lexington, KY salary details

$99.9K

$127.1K

$157.5K

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 Lexington, KY is $127,148.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,300.00 and $137,200.00 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 the most commonly searched types of Linux System Engineer jobs in Lexington, KY? The most popular types of Linux System Engineer jobs in Lexington, KY are:
What are popular job titles related to Senior Linux System Engineer jobs in Lexington, KY? For Senior Linux System Engineer jobs in Lexington, KY, the most frequently searched job titles are:
What job categories do people searching Senior Linux System Engineer jobs in Lexington, KY look for? The top searched job categories for Senior Linux System Engineer jobs in Lexington, KY are:
What cities near Lexington, KY are hiring for Senior Linux System Engineer jobs? Cities near Lexington, KY with the most Senior Linux System Engineer job openings:
Senior Linux System Engineer jobs near you

Information System Security Engineer

Cyber Defense Technologies

Lexington, KY • On-site

Full-time

Medical, Dental, Life, Retirement, PTO

Posted 7 days ago

Job description

Overview: Cyber Defense Technologies (CDT) is seeking a proactive Information Systems Security Engineer (ISSE) to support Risk Management Framework (RMF) compliance, system hardening, and security engineering across a diverse portfolio of systems. This role requires independent ownership of complex security challenges— from vulnerability assessment and remediation through continuous monitoring—while ensuring alignment with DoW and USSOCOM security policies.
You will bridge high-level security architecture with hands-on implementation across physical and virtual operating systems, networking devices, enterprise, embedded, and air-gapped environments.
Clearance Requirements: An active Secret clearance is required, TS/SCI preferred. All candidates must be U.S. Citizens. Applicants who do not meet these requirements will not be considered.
Responsibilities include but are not limited to:
  • Perform security design, configuration, hardening, testing, and monitoring of advanced information systems independently or as part of a team.
  • Conduct vulnerability testing and apply current compliance standards and technical controls across Windows, Linux, Android, iOS, and related platforms.
  • Support security architecture development; enforce trusted relationships with external systems; assess and mitigate security threats/risks throughout the program lifecycle.
  • Assist vendors and system developers in implementing DoW/USSOCOM security functionality and enterprise solutions.
  • Contribute to security planning, assessment, risk analysis, risk management, certification, and awareness activities.
  • Review Assessment & Authorization (A) documentation for completeness and compliance.
  • Support rapid Fielding and Deployment Release processes by ensuring RMF and Authorization to Operate (ATO) requirements are met.
  • Create and maintain IA policy documentation and RMF artifacts, including System Security Plans (SSP), Security Assessment Reports, Risk Assessments, POA&Ms, Control Implementation/Validation documents, Ports/Protocols/Services matrices, network/architecture diagrams, and accreditation boundaries.
  • Execute cross-platform patch management and system imaging.
  • Map NIST 800-53 controls and DISA CCIs to system capabilities in support of ATO maintenance and renewals.
  • Engage customer technical points of contact as needed during architecture and implementation activities.
Technical Areas of Expertise:
  • Experience with RMF process and requirements (NIST 800-53)
  • Experience with virtualized and standalone environments (VMware)
  • Experience with patch management solutions
  • Experience with standard forensic practices, imaging software, tools, and techniques
  • Experience with Security Technical Implementation Guide (STIG) experience
  • Experience with Vulnerability Management (Nessus, NexPose, OpenVAS, etc)
  • ELINT, Radio Frequency, Electronic Warfare, and/or SIGINT experience a plus
  • Translating technical customer requirements into business process and tasking
  • Technical consulting both buyer and end user customer personnel in a complex environment
  • System Administration experience with Linux and Windows
  • Experience with administration and forensic practices with mobile platforms is a plus
REQUIRED QUALIFICATIONS: 
  • Bachelor’s degree in Computer Science, Engineering, Information Technology, Cybersecurity, or related technical field; or work relevant work experience equivalent.
  • Minimum 4 years of information security-related experience in areas such as security operations, vulnerability management, security testing, system patching, log analysis, intrusion detection, or security device administration.
  • Knowledge of RMF, Windows/Linux operating systems, STIGs, ACAS, HBSS, and/or related technologies.
  • Demonstrated ability to work independently, analyze root causes, and drive solutions from identification through resolution.
  • U.S. Citizenship and active Secret clearance (or higher), clearable to TS/SCI.
PREFERRED QUALIFICATIONS: 
  • Active DoD 8570 IAT Level II (or higher) certification preferred at time of hire (e.g., Security+ CE, CASP+, CISSP).
  • Hands-on experience with vulnerability assessment tools (ACAS, Nessus, SCAP), VMware, image deployment/orchestration, and multi-platform hardening.
  • Technology-specific certifications (Cisco, VMware, Microsoft, etc.) relevant to the environment.
  • Experience supporting rapid ATO processes and continuous monitoring in DoD/IC environments.
Travel: CONUS Travel of 10 to 15% may be required depending on program needs
Why Join Cyber Defense Technologies?
At CDT, we offer a collaborative and inclusive work environment where your expertise in system security can help shape the future of cybersecurity and engineering solutions.
Compensation and Benefits:
  • Competitive salary based. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on work experience, education, certifications, geographic location, contract wage determination that align with the specified role.
  • Comprehensive benefits package, including Health, Dental, Paid Time Off, Holiday Pay, Short-term and Long-term disabilities, Life Insurance, Retirement plans, Learning and Development opportunities, Wellness programs as well as other optional benefits elections.
CDT is committed to hiring without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.
Apply Now:
If you are a proactive Information System Security Engineer (ISSE) and thrive in dynamic environments, we encourage you to apply and join the CDT team!