




Summary: Seeking an experienced Senior Network Engineer specializing in network systems to support mission-critical projects in a secure environment, focusing on designing, implementing, and maintaining complex network infrastructures. Highlights: 1. Design, deploy, and optimize secure network architectures 2. Lead system performance tuning, troubleshooting, and disaster recovery planning 3. Automate system administration tasks using scripting Apply Now Description Seeking an experienced Senior Network Engineer specializing in network systems to support mission-critical projects in a secure environment. The ideal candide will have extensive experience in designing, implementing, and maintaining complex network infrastructures, and must hold an active TS/SCI clearance with Polygraph. Key Responsibilities: Design, deploy, and optimize secure network architectures for enterprise and classified environments. Lead system performance tuning, troubleshooting, and disaster recovery planning. Ensure compliance with security standards and protocols (DISA STIGs, RMF). Collabore with cross-functional teams to deliver high-availability solutions. Autome system administrion tasks using scripting (PowerShell, Bash). Manage Active Directory, virtualizion plforms (VMware, Hyper-V), and network monitoring tools. Required Qualificions: Active TS/SCI clearance with Polygraph. Bachelor’s degree in informion technology, Computer Science, or reled field, or equivalent experience or specialist certificions considered in lieu of degree. 8+ years of experience in systems engineering with a focus on network systems. Expertise in Windows/Linux server administrion, virtualizion, and network security. Certificions such as CompTIA Security+, VMware, or equivalent. Preferred Skills: Experience supporting DoD or Intelligence Community environments. Strong background in system hardening, vulnerability remediion, and compliance. Excellent communicion and technical documention skills. EC-DAS If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the stus 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 step 30 — and moving faster than anyone else dares. Original Posting: April 20, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipes th this job requisition will remain open for least 3 days with an anticiped close de of no earlier than 3 days after the original posting de as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compension or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, educion, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market da, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovions. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximely $16.7 billion for the fiscal year ended January 3, 2025. For more informion, visit www.Leidos.com. Pay and Benefits Pay and benefits are fundamental to any career decision. Th's why we craft compension packages th reflect the importance of the work we do for our customers. Employment benefits include competitive compension, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available www.leidos.com/careers/pay-benefits. Securing Your Da Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-reled informion during any part of the employment applicion process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communice with you through emails th are genered by the Leidos.com automed system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhsApp, Telegram, etc. If you received an email purporting to be from Leidos th asks for payment-reled informion or any other personal informion (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediely by emailing us LeidosCareersFraud@leidos.com. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission. Commitment to Non-Discriminion All qualified applicants will receive considerion for employment without regard to sex, race, ethnicity, age, nional origin, citizenship, religion, physical or mental disability, medical condition, genetic informion, pregnancy, family structure, marital stus, ancestry, domestic partner stus, sexual oriention, gender identity or expression, veteran or military stus, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. Apply Now


