Seek opportunities for continuous improvement to support effective and efficient operations
Develop solutions to complex technical issues.
Provide follow-up reports (technical findings, feedback, resolution steps taken) for Root Cause analysis, engineering technical assessment and process improvement initiatives.
Support customer requirements in a dynamic, fast-paced environment. Provide on-call support during outages occurring after hours; may involve shift work.
Update operations and monitoring documentation for 24/7/365 Operations Watch personnel.
Basic Qualifications
Requires a Bachelor’s degree and 8+ years of relevant experience. Additional years of relevant experience may be considered in lieu of a degree.
System security engineering expertise in one or more of the following: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing
Possesses and applies expertise on multiple complex work assignments. Assignments may be broad in nature requiring originality and innovation in determining how to accomplish tasks.
Background in Linux or UNIX server setup, deployment and maintenance
Experience using Red Hat Satellite Server and/or Spacewalk for patching and system management
Experience with hardening Linux environments
Experience with system administration of server operating systems such as Linux (RHEL, Rocky Linux, Oracle Linux, Ubuntu)
Familiarity with supporting virtual desktops running Microsoft Windows
Experience with configuration management tools such as Ansible, Salt, Puppet, Chef
Experience with Scripting/Automation through Linux Shell scripts, PowerShell, PowerCLI, or other scripting languages
Experience troubleshooting issues in a growing environment
Experience with log reviews, incident analysis, and identification of issue trends
Experience with server patch management methodologies
Time management skills with the ability to work within an IT Service Management/ticketing system independently
Ability to triage and properly classify incidents and prioritize work efforts accordingly
Strong oral and written communications skills
Experience establishing goals and plans that meet project objectives
Track record of working effectively within a team, and support to peers toward improved processes and results
Perform systems requirements analysis, functional analysis, timeline analysis, trade studies, requirements allocation and interface definition, technical management, integration, system testing, and quality assurance.
Must be able to work independently to develop solutions to technical problems.
Certification relating to Linux such as Red Hat Certified System Administrator (RHCSA)
Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) – IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher)
Clearance
Active TS/SCI clearance with Polygraph required OR active TS/SCI and willingness to get a Poly.
US Citizenship is required due to the nature of the government contracts we support.
Preferred Qualifications
Knowledge of AWS or Azure cloud services and the cloud ecosystem.
Experience operating and maintaining systems in a Windows environment
Certification relating to VMware (VCA/VCP)
Experience with SAN or network storage setup and administration
Experience working in an Agile environment
Experience with troubleshooting within a security environment
Experience with backup and restore procedures
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting
October 20, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range
Pay Range $92,300.00 - $166,850.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
