Network Engineer SME

Unleash your potential at Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. We're eager to connect with you regarding transitioning to Leidos! The Leidos Digital Modernization Sector has a career opportunity for a Network Engineer SME to join our dynamic DES (Defense Enclave Services) team supporting DISA at Fort Meade, MD on a hybrid basis. CLEARANCE REQUIREMENT: Must hold an active Secret security clearance prior to start and be able to obtain a Top Secret. (US Citizenship required) PROGRAM SUMMARY: The Defense Enclave Services contract will unify the DoD Fourth Estate Defense Agencies and Field Activities’ (DAFAs) common use information technology systems, personnel, functions, and program elements under the direction of DISA’s Fourth Estate Network Optimization program office. It will unify the DAFAs on a common, modernized network architecture, DoDNet, to provide mission services focused on enhanced user experience, improved security, and network reliability. Primary Skill Areas (must have ONE) Aruba Wireless Cisco Wireless Cisco ISE Azure Cloud Core Requirements Bachelor’s degree and 8+ years of related experience; additional years of experience may be considered in lieu of degree. DoD 8570 IAT Level II certification required prior to start (Security+ CE or equivalent). Enterprise network modernization and migration experience Experience supporting large-scale transformation or integration efforts Strong troubleshooting, implementation, and operational support background Experience working in multi-vendor enterprise environments Customer-facing engineering and technical coordination experience Ability to support cross-functional engineering teams in dynamic operational environments Experience integrating enterprise networking with cloud-based infrastructure and services Understanding of hybrid cloud networking concepts and secure connectivity architectures Experience supporting network segmentation, access control, and identity-based networking solutions Enterprise wireless migration planning and execution Desired Additional Skills Experience in one or more of the following: Aruba ClearPass Cisco Catalyst Center (DNAC/CAT-C) / SD-Access SGTs (Security Group Tags) / Microsegmentation Comply to Connect (C2C) Azure Virtual Networks (VNETs) Azure VPN Gateway / ExpressRoute Azure Firewall / NSGs Hybrid cloud connectivity and routing Cloud network security and segmentation Network automation and scripting Python, Ansible, or Infrastructure-as-Code experience Multi-site network deployment and operational support 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: May 19, 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.