Systems Engineer in Oxon Hill

Job Description

The Leidos Security and Engineering Programs (SEP) is seeking a Systems Engineer for the Center for Information Systems Security (CISS) program in Washington DC. This position requires flexible work hours (Monday‑Friday, 2:00 PM‑10:30 PM) and occasional travel to Chantilly, VA (under 25%).

• Integrate new COTS/GOTS systems (network equipment, servers, workstations, etc.) into the production environment and ensure mission readiness.
• Manage change controls for documentation within an IT Service Management Tool (ITSM) and Configuration Management database (CMDB), and perform corrective action on discrepancies or findings.
• Develop technical solutions and resolve complex issues involving users, computers, servers, networks, appliances, and applications; record, manage, and update solutions in a knowledge database and ticketing system.
• Review data from a DoD Network Monitoring System, audit systems proactively to ensure program requirements are met, and assess and remediate risks and incidents.
• Serve as an expert within the area of responsibility after training on program‑specific equipment, analyse issues, make remediation recommendations to management, and carry out remediation processes.
• Create technical documentation (SOPs, KBAs, etc.) to reduce escalation for junior staff.

• BS degree and 8 years of relevant experience, or MS/MA with 6+ years of relevant experience; a high school diploma with an additional 2 years of relevant experience may be considered in lieu of a degree.
• Interim Top‑Secret clearance required with ability to obtain Final Top‑Secret.
• Experience with Windows Server administration tools: WSUS, Group Policy, Active Directory, RDP, DNS, DHCP.
• Mid‑to‑high‑level RHEL troubleshooting.
• Low‑to‑mid‑level Windows 11 and Windows Server 2022/2025 troubleshooting.
• GOTS/COTS application, installation, configuration, and troubleshooting.
• Industrial computer and Dell systems installation, configuration, and troubleshooting.
• Tier 3 Systems Administrator support.
• Proactive leadership and team‑player mindset with strong communication, management, analytical, and problem‑solving skills.
• AWS virtualization, networking configuration, and troubleshooting.
• Docker configuration and troubleshooting.
• Database installation, configuration, and troubleshooting (Postgre
  
  SQL, Maria
  
  DB, etc.).

• Lifecycle management experience (PC Imaging & Disposition).
• Knowledge of network monitoring tools such as OpManager, Solar Winds, PRTG.
• Service Now On‑Premise application and database server experience.
• Experience with virtualization.
• Infrastructure equipment troubleshooting (e.g., UPS, fiber/ethernet installation/termination, electronic testing and metering equipment).
• Ticket tracking system experience (Remedy, Service
  
  NOW, SharePoint).
• Prior experience in a Network Operations Center environment or Tier 3 Helpdesk.
• Basic Juniper and Palo Alto Tier 1 troubleshooting experience.
• Experience with command‑line interfaces (CMD, Terminal, Power Shell, etc.).

Pay Range: $ – $. The pay range for this job level is a general guideline only and does not guarantee compensation. Additional factors considered in extending an offer include responsibilities, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement, and other law.

Benefits include competitive compensation, health and wellness programs, income protection, paid leave, and retirement. More details are available at

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, citizenship, physical or mental condition, medical condition, genetic information, family structure, marital status, ancestry, domestic partner status, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.