Mid-level Linux Systems Administrator

ResponsibilitiesPeraton is currently seeking to hire a Mid-level Systems Administrator for its' Federal Strategic Cyber program.Location: Washington, DCIn this role, you will:Perform assessments of systems, reviewing software with a focus on finding flaws and suggesting possible improvements.Perform code examination, analysis, and testing.Potentially work with system simulators and statistical analysis.Review and analyze systems, platforms, applications, and their interfaces to quickly acquire system knowledge to understand the design and functionality.Identify the hardware and software portions of systems for safety and mission critical functionality.Perform detailed evaluation of embedded software to verify that software requirements are correctly implemented in the design and code of embedded computers and that the resulting code does not contain embedded safety hazards.Identify requirements, design, and test procedures that will ensure the system will perform as expected.Document analysis performed with resulting anomalies identified.Present findings to peers, customers, and management.QualificationsMinimum Requirements: Bachelors degree and minimum of 5 years experience; an additional 4 years in lieu of bachelors degree will be considered. Minimum of 3 years of experience administering and supporting Linux systems in production environments.Strong hands-on experience with Ubuntu Linux.Solid understanding of Linux system administration concepts.Proficiency with the Linux command line and common shell utilitiesExperience troubleshooting complex infrastructure issues across operating systems.Working knowledge of TCP/IP networking, DNS, DHCP, SSH, routing, firewalls, and common network troubleshooting tools.Experience administering and troubleshooting servers in virtualized or cloud environments.Experience with monitoring, logging, alerting, and diagnosing system health and performance issues.Understanding of system security fundamentals, including patch management, access controls, SSH security, and vulnerability remediation.Ability to document infrastructure, configurations, troubleshooting procedures, and operational processes clearly.U.S. citizenship required.Active Top Secret security clearance with SCI eligibility and the ability to obtain a polygraph.Preferred/Nice to have:Experience with Docker and containerized applications.Experience with Ansible or other configuration-management/automation tools.Experience writing Bash or other shell scripts for system administration and automation. Experience with infrastructure-as-code tools such as Terraform.Familiarity with CI/CD concepts and tools.Experience with cloud platforms such as AWSExperience administering web servers, reverse proxies, or application infrastructure such as Nginx.Familiarity with databases and troubleshooting application/database connectivity.Familiarity with centralized logging and monitoring platforms such as Grafana, ELKExperience with scripting or automation using PythonExposure to high-availability, load balancing, and scalable infrastructure concepts.Peraton OverviewPeraton 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$86,000 - $138,000. 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.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Job SummaryRequisition ID: 2026-172455Position Category: Information TechnologyClearance: Top Secret/SCI w/Poly