Senior Linux Systems Engineer

Responsibilities We are seeking a Senior Linux Systems Engineer with a strong background in Linux administration and commonopen-source tools and software to join our team. This is an on-site position. Candidates must be self-starters whoenjoy working in fast-paced and dynamic environments. The ideal candidates will have at least 6 years ofexperience in Linux administration, with experience building and maintaining production systems in virtualizedenvironments. Candidates should also have an intermediate understanding and experience with automation tools,virtualization, containerization, and cloud hosting.What you’ll do…Senior Linux Systems Engineers will be responsible for planning, deploying, and maintaining a wide variety of Linuxbasedservices. Ideal candidates will have experience with the technologies, management, and configuration of allaspects of a delivered service. This frequently entails experience with a wide variety of networking, Linux,virtualization, and application configurations. Qualifications • 6+ years managing Linux servers running Debian, RHEL, and Ubuntu• Experience configuring and maintaining common open-source tools and software such as Apache, NGINX,Postgres, MariaDB, IPA/IDM, KeyCloak, LDAP, IPTables, pfSense, Wireguard, IPSec, and OpenVPN• Experience working directly with virtualization platforms such as VMWare, Docker, and Kubernetes• Experience creating and configuring automation tools, such as Ansible, AWX, and Foreman• Understanding and applying networking protocols and concepts such as BGP, CIDR, DHCP, DNS, OSPF,Routing, Switching, and VLANs• Mentoring junior team members on system documentation, security hardening, and diagnosing andtroubleshooting system and network issues• Excellent communication skills, attention to detail, and the ability to work collaboratively with other teams• Stay up-to-date with emerging trends and technologies in Linux administration, automation, virtualization,containerization, and cloud hosting• Ability to work independently and prioritize tasks effectivelyPreferred:• Building and configuring software-based phone systems such as Asterisk or Freeswitch• Building and configuring monitoring systems like Prometheus, Nagios, or Zabbix.• Building and configuring ELK• Experience configuring Cisco, Juniper, and similar networking devices• Experience configuring and managing Quagga/FRR• Designing and implementing wide-area networks• Designing and implementing VMWare and related systems• Familiarity with core mobile networking terms and technologies Peraton Overview Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure. Target Salary Range $104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law. Job SummaryRequisition ID: 2026-164908Position Category: EngineeringClearance: No Clearance Required