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Senior Linux Systems Administrator

ManTech

Las Cruces, NM

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JOB DETAILS
SKILLS
Administrative Skills, Amazon Web Services (AWS), Ansible, Automation, Best Practices, Chef (Configuration Management), Cloud Computing, Configuration Management, Continuous Deployment/Delivery, Continuous Integration, Cross-Functional, Customer Relations, DevOps, Docker, Hardware Installation, Hardware Upgrades, Identify Issues, Linux Administration, Linux Operating System, Mentoring, Microsoft Windows Azure, Nagios Monitoring Tool, Network Operations Center, Operational Support, People Management, Performance Analysis, Performance Tuning/Optimization, Puppet (Configuration Management), Red Hat Linux Operating System, Server Hardware, Systems Administration/Management, Team Lead/Manager, Technical Delivery, Technical Leadership, Technical Presentation
LOCATION
Las Cruces, NM
POSTED
30+ days ago
MANTECH seeks a motivated, career and customer-oriented Senior Linux Systems Administrator to join our team in either Las Cruces, New Mexico or Denver, CO . In this role, you will support mission-critical infrastructure by designing, implementing, and maintaining enterprise Linux environments. You will work closely with cross-functional teams to ensure systems are secure, reliable, and optimized while also helping mentor junior administrators and contribute to infrastructure modernization initiatives.


Responsibilities include but are not limited to:


+ Designing, implementing, and maintaining enterprise Linux environments with a focus on Red Hat Enterprise Linux (RHEL)

+ Developing and maintaining infrastructure automation using tools such as Puppet, Ansible, or similar platforms

+ Managing physical and virtual server infrastructure across data center environments

+ Leading infrastructure projects and initiatives from planning through implementation

+ Mentoring junior administrators and providing technical guidance across the team

+ Performing hardware installations, upgrades, troubleshooting, and maintenance within data center facilities

+ Implementing security best practices, monitoring system performance, and optimizing system availability


Minimum Qualifications:


+ 8+ years of relevant technical experience to include Linux system administration experience with a strong focus on Red Hat Enterprise Linux (RHEL) and hands-on infrastructure support in enterprise environments

+ Proven experience with configuration management and automation tools such as Puppet, Ansible, Chef, or SaltStack

+ Hands-on experience supporting data center operations including server hardware installation and troubleshooting

+ Demonstrated experience mentoring junior administrators or serving in a senior technical or team leadership capacity

+ Strong troubleshooting, system performance tuning, and infrastructure support experience


Preferred Qualifications:


+ Candidates who bring additional DevOps, cloud, or containerization experience will be well positioned to support evolving infrastructure initiatives.

+ Experience with container technologies such as Docker, Podman, or Kubernetes

+ Familiarity with CI/CD pipelines and DevOps practices

+ Experience with enterprise monitoring and alerting tools such as Nagios, Zabbix, or Prometheus

+ Experience supporting or integrating with cloud platforms such as AWS, Azure, or Google Cloud Platform


Clearance Requirements:


+ An active TS/SCI with Polygraph is required.


Physical Requirements:


+ Must be able to remain in a stationary position 50% of the time.

+ Needs to occasionally move about inside the office or data center environment to access equipment, racks, and hardware systems.

+ Frequently communicates with co-workers, management, and customers, which may involve delivering technical updates or briefings. Must be able to exchange accurate information in these situations.
MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

About the Company

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ManTech