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Senior Network Services Architect

Leidos


Job Location:

Bethesda, MD - USA

Monthly Salary: $ 107900 - 195050
Posted: 21 August 2026 (Yesterday)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

At Leidos we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers mission success. We empower our teams contribute to our communities and operate sustainable practices. Our Mission Vision and Values guide the way we do business. Our workforce enjoys career enrichment opportunities available through mobility and development while experiencing rewarding relationships with supportive supervisors and talented colleagues and customers. Your most important work is ahead.

If this sounds like the kind of environment where you can thrive then keep reading becauseLeidos is seeking a qualified Sr Network Services Architect to support a proposed large-scale transformational IT infrastructure program. The successful candidate will serve as the senior technical authority for Task Area 2 (Network Services) owning the design engineering and technical direction of FDAs wired and wireless LAN (Office Data Center Lab and Campus LAN) WAN (Private IP Service and SD-WAN) third-party/cloud connectivity (site-to-site VPN MAN Trusted Internet Circuit) unified communications load balancing and related network infrastructure

*This position isonsite /hybrid remote. Candidates will need to be locatedwithin the DMV area near Bethesda MD and Gaithersburg MD.

Key Responsibilities:

  • Serve as the senior technical architect for enterprise Data Network and Communication Services including wired/wireless LAN (Office-LAN Data Center-LAN Lab-LAN Campus-LAN Cloud Networks) WAN (Private IP Service and Managed SD-WAN) and third-party/cloud connectivity (site-to-site VPN MAN connectivity Trusted Internet Circuit).

  • Lead network design and engineering activities supporting enhancements increments and modifications to the existing environment; oversee release management testing and deployment activities for host servers and virtual clients during operational upgrades.

  • Architect and continuously optimize connectivity routing and security between FDAs on-premise data centers (White Oak Ashburn NCTR) and FDAs AWS Azure and Google Cloud Platform landing zones in direct support of FDAs hybrid multi-cloud migration strategy.

  • Own the technical roadmap for network modernization and technology refresh ensuring network and communications solution components (hardware and software) are upgraded per agreed FDA technology-refresh policy and appropriately licensed.

  • Provide senior technical oversight of network operations and administrative services including monitoring testing patching debugging repair and replacement of network appliances and software and management of session border controllers (SBCs) and isolated lab networks.

  • Direct capacity management for FDAs network infrastructure to ensure IT resources are right-sized for current and future business requirements while addressing time-sensitive demands.

  • Architect load balancing domain services (DHCP external DNS) and monitoring solutions across voice data and VPN environments to deliver high availability and optimized network performance for applications and end users.

  • Lead modification of network storage database and related infrastructure policies configurations and provisions to reflect evolving industry standards and internal FDA policy changes driving operational efficiency.

  • Provide architectural and engineering support for Unified Communications load balancing eFax and Enterprise Network Time Protocol (NTP) services.

  • Direct network monitoring and reporting using agreed-upon tools (e.g. SolarWinds Cisco DNA Center Cacti) to ensure continuous availability connectivity security and reliability across on-premise and cloud network data center compute and storage resources.

  • Lead root-cause and continuous-improvement (CI) efforts on existing network infrastructure platforms and processes to maintain relevance efficiency and performance as FDAs environment evolves.

  • Maintain accurate architectural documentation current-state/target-state network diagrams and an accurate inventory of on-premise data center spaces housing network equipment.

  • Support annual and ad-hoc network audits to ensure compliance with FDA standards and support Government data calls related to network technical attributes and financial/hardware details.

  • Coordinate with telecommunications contractors cloud service providers and other Task Area leads (e.g. Data Center Operations Cloud & Compute/Storage Client Advocate/Technical Leads) to ensure integrated end-to-end service delivery.

  • Mentor and provide technical direction to Network Engineers Administrators and other Task Area 2 staff; support incident problem and service-request management in collaboration with the Help Desk.

  • Support the Transition Manager and Program Manager during the three-phase transition (Transition Planning Transition Cutover to Managed Services) by validating the as-is network architecture informing the technical transition plan and de-risking network cutover activities.

Basic Qualifications:

  • Bachelors degree and 8 years of progressive network engineering/architecture experience and Additional years of experience may be considered in lieu of degree.

  • 35 years in a senior architect or technical lead role on large enterprise-scale federal or commercial network environments.

  • Demonstrated hands-on architecture experience across LAN (wired/wireless) WAN (Private IP Service SD-WAN) and third-party/cloud connectivity (site-to-site VPN MAN Trusted Internet Circuit) in a multi-site enterprise environment.

  • Strong working knowledge of connecting and securing on-premise data center networks to public Cloud Service Providers (AWS Azure and/or Google Cloud Platform).

  • Experience with network monitoring and management tooling (e.g. SolarWinds Cisco DNA Center/DNAC Cacti or equivalent) and with capacity planning for enterprise network infrastructure.

  • Demonstrated experience managing multi-site enterprise network environments including load balancing DHCP DNS unified communications and network security policy configuration.

  • Experience supporting large-scale IT infrastructure technology refresh upgrade and lifecycle management activities.

  • Strong documentation skills including development of current-state and target-state network architecture diagrams.

  • Excellent collaboration and communication skills with demonstrated ability to coordinate across cross-functional technical teams subcontractors and telecommunications vendors.

  • U.S. Citizenship.

  • Must have the ability to obtain and maintain a Public Trust.

  • Cisco Certified Network Professional (CCNP) current and active or equivalent senior-level network architecture certification.

Preferred Qualifications:

  • Cisco Certified Internetwork Expert (CCIE).

  • AWS Azure or Google Cloud Platform networking-focused certification (e.g. AWS Advanced Networking Specialty Azure Network Engineer Associate).

  • ITIL Foundation certification (or higher).

  • Prior experience directly supporting FDA another HHS operating division or a comparable federal health/regulatory science agency.

  • Experience with SD-WAN network automation platforms and Zero Trust network architecture concepts.

  • Familiarity with ServiceNow or comparable enterprise ITSM platforms for change and incident management.

  • Experience supporting isolated lab or scientific-computing network environments.

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:
August 4 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 $107900.00 - $195050.00

The Leidos pay range for this job level is a general guideline onlyand 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.


Required Experience:

Senior IC


About Company

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Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

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