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Senior Network Engineer

ValidaTek, Inc.
Fort Belvoir, United Statesfull_timeVerifiedPosted 30 Oct 2025
💰 $140,000/yr($120,000/yr$140,000/yr)

About the role

Company Overview

At ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-talent employees, ValidaTek puts people first, empowering them to exceed expectations and transform government organizations. Our success starts and ends with our people, so we built a company where great people can do great things, with the resources and autonomy to make decisions that transform organizations. We operate as one team of diverse people, united by a passion for continuous growth and optimization. Our commitment to quality and performance optimization is the reason why our IT Service Projects and New Development Projects have been appraised at CMMI Maturity Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation. www.validatek.com

Summary

ValidaTek is seeking a Network Engineer with subject matter expertise to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA’s Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA’s internal and external mission partners operating in CONUS and OCONUS locations. The Network Engineer supports design of a new, modernized updated and upgraded capabilities for DTRA. This role will be responsible for tech requirement definition, feasibility studies, pilot projects and implementations plans, as well as diagnosing and troubleshooting outages, monitoring networks, infrastructure and systems, and proving proactive mitigation strategies. Specifically, the candidate must have experience with SD-WAN solutions and how to transform from a Non-SDWAN. The candidate will also work with Cloud native SDN and Software Defined Access and EVPN for on-premise application. Working in a DevSecOps environment experience will be required for creating and building new solutions and perfecting them. 

Responsibilities

  • Plan and design secure network solutions to consolidate connectivity services under an enterprise service.
  • Design secure wide area connectivity inclusive of underlay, overlay, and COI transport design that supports performance, quality of service, security, and mission requirements.
  • Provide secure access solutions leveraging wired and wireless technologies, integrating standards, use cases/scenarios, and develop associated implementation and transition plans.
  • Integrate capacity planning and scaling of network and security stack environments into the overall design of solutions.
  • Collect, investigate, and identify network optimization strategies and techniques to meet capacity and performance standards.
  • Identify legacy service paths (i.e. dataflow, firewall rulesets, and ACLs) and develop strategies and designs for the to-be enterprise service capability to meet requirements while balancing security, sustainability, and maintainability.
  • Support development of IP addressing schemes across IPv4 and IPv6 networks.
  • Work with information assurance teams to ensure compliance to DoD standards to assist with providing accreditation artifacts.

Qualifications

  • Minimum of a Bachelor’s degree in Science, Technology, Engineering and Math (preferred) with 12-15 years' experience or Master's degree with 10-13 years of experience (additional years of directly applicable experience may be accepted in lieu of a degree).
  • Active TS/SCI clearance
  • Require network certification which shall meet or exceed a CCNP (comparable vender certification accepted upon review) with CCIE preferred.
  • Require active DoD IAT Level II (i.e. Security+) certification or equivalent prior to start. 
  • Must have broad exposure to common IT infrastructure networking in the areas of LAN, WAN, TCP/UDP, Dual stack IPv4/IPv6, IPSec, VPN, and Firewall Micro-segmentation
  • Must have experience in working with two or more of the following vendor network technologies: Cisco, Juniper, F5, Aruba, Palo Alto, Dell, Brocade, and Fortinet. 
  • Experience with SD-WAN solutions, with Dell Versa preferred
  • Some experience working with Azure and AWS cloud networking
  • Experience working with AAA servers, such as Cisco ISE or Aruba Clearpass, and endpoint posturing.
  • Experience working with Enterprise Wireless
  • Familiarity with Type 1 encryptors
  • Experience documenting logical or physical designs using drawing tools (e.g. Visio, PowerPoint, Gliffy, Cameo) to depict systems, subsystems, interfaces, components, and communications of I/T applications and infrastructure
  • Experienced and comfortable with conducting technical troubleshooting to resolve issu

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Company

ValidaTek, Inc.

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