Senior Network Engineer (Shift)

Leidos has a new and exciting opportunity for a Senior Network Engineer in our Intelligence Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary: Join our team supporting a cutting-edge Cyber program and make an impact by guiding the definition, implementation, and delivery of capability focused on Cyber Training systems. As a key player on our team, you will leverage your skills to provide expertise in large-scale cyber exercises and multi-spectrum cyber operations. Don't miss the opportunity to take your career to the next level and be part of an innovative and dynamic environment. Apply now! Job Responsibilities: This position REQUIRES Evening and Weekend shifts. The schedule would be as follows. Friday and Saturday are 12 Hour Shifts from 8 PM to 8 AM 2 Weekdays are 8-Hour Shifts from (12am to 8am, or 8am-4pm, or 4pm-12am) flexibility in choice, 1st, 2nd, or 3rd shift. Your Main Objective: Provide network administration support for development, deployment, and problem identification and remediation of the enterprise network environment. Ensure maximum system uptime and rapidly respond to hardware and software failures. Monitor and correct network issues, maintain security patches, software and hardware. Provide analysis on existing network and server configurations and implement system enhancements and upgrades. Communicate with users and publish status of any system outages, as needed. Prepare technical reports and briefings to provide status to leadership. Examine system data and implement enhancements to improve reliability and performance. Support system installations and upgrades for networks and servers (hardware and software). Execute the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the System Security Plans Basic Qualifications: Bachelor’s degree in information technology or similar, and eight (8) or more years of experience in a relevant field (Network Administration/Engineering) or a Master of Science degree with six (6) years or prior relevant experience. Experience in analysis, diagnosis and troubleshooting of routers, switches, and firewalls. Experience with Network Hardware Design and Configuration, Network Troubleshooting, and Network Performance Tuning. Experience with configuring, managing, and implementing network access control Lists. Experience with Cisco switching and WAN/LAN technologies Experience with VMWare NSX-T virtual networking. Possess strong analytic abilities and must be meticulous in their work. Excellent verbal and written communication skills. Experience providing direct assistance to users. A self-starter capable of working proficiently independently as well as within a team environment. Security Clearance requirement: Possess an active Top Secret (TS) clearance to be considered for this role. Certification Requirement: IAT level II or level III certified (Security +, CCNA Security, CSA+, GIC SP, GSEC, SSCP). Preferred Qualifications: Experience with mentoring or managing a team of engineers. Familiar with configuring network devices utilizing Python and Ansible. Experience with enterprise network management tools such as SolarWinds, Cisco Smartnet, Splunk, or similar technologies. At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today! Careers.leidos.com conmd 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: June 30, 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. Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to View email address on click.appcast.io. Commitment and Diversity All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, 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.