Network Engineer III

Cherokee Federal
401(k)
United States, Virginia, Springfield
Oct 20, 2025
Network Engineer III This position requires an active TS/Sensitive Compartmental Information (SCI) clearance A government contract requires that this position be restricted to U.S. citizens or legal permanent residents. You must provide documentation that you are a U.S. citizen or legal permanent resident to qualify. Criterion Systems LLC is seeking a mission-focused Network Engineer III to support and contribute to our government customer's success in Springfield, VA; Charlottesville, VA; Miami, FL; and Oahu, HI . Compensation & Benefits: Pay commensurate with experience. Full time benefits include Medical, Dental, Vision, 401K, and other possible benefits as provided. Benefits are subject to change with or without notice. Network Engineer III Responsibilities Include: Focus will be on Requirements Analysis, Development and Implementation Engineer and implement solutions for Projects based on customer Change Requests Serve as the technical representative for assigned projects. Provide recommendations on newly submitted actions items. Coordinate issues with the appropriate owners/organizations. Provide concurrence on decisions or recommendations by assigned suspense. Elicit requirements using interviews, document analysis, surveys, site visits, scenarios, business analysis and test/workflow analysis. Write requirement specs according to standard templates. Decompose high-level business and user requirements into functional requirements. Represent requirements using alternative views, such as analysis models (diagrams). Perform requirement analysis and verification, ensuring requirement statements are complete, consistent, concise, comprehensible, traceable, feasible, unambiguous, and they conform to standards. Manage requirements traceability information and track requirements status throughout the review process. Identify requirement errors and defects, and write response statements to appropriate owners/organizations. Support network traffic analysis and bandwidth optimization efforts to ensure attainment of performance and availability objectives. Evaluate and report on new/emerging network/communication technologies to enhance capacity, performance and reliability of the network. Evaluate and recommend changes and/or technology upgrades to address performance, standardization and industry best practices Follows all Customer network security processes and procedures, ensures compliance with all Government policies. Develop and maintain network architecture diagrams. Performs other job-related duties as assigned Network Engineer III Experience, Education, Skills, Abilities requested: Current TS/SCI security clearance with the willingness and ability to obtain a Counterintelligence polygraph Minimum of ten (10) years related technical experience in Network and Transport technologies, tools, and techniques Minimum of five (5) years experience with large-scale enterprise/global networks in a high paced diverse environment Ability to work independently with little direction and guidance Experience with network design, engineering, and implementation (Advanced Level) Experience in creation of network related Rough Order Magnitude (ROM) equipment lists and costing Ability to estimate labor needed to complete planning, engineering, procurement, and installation of complex Enterprise Transport solutions Understanding of DISA and IC standards and processes Excellent writing and communication skills, including the ability to develop analytical documents and present oral presentations to senior/executive management Interpersonal skills, to help negotiate priorities Understanding of how to practice requirements engineering according to several hardware/software development lifecycles in a team environment. Knowledge of product management concepts and how Enterprise network products are positioned and implemented Proficient is MS Office suite - Visio, Word, Excel, PowerPoint, and Project Ability to work weekends and evening hours as needed Understanding and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions Experience with CISCO and Juniper: switches, routers, as well as Cryptographic devices, IPSEC. Experience with Network analysis tools (CISCO Network Analysis Modules, Solar Winds Network Management, OPNET NetOne, HP Network Node Manager, etc.) Experience with CISCO and Juniper firewall/VPN devices Experience with supporting IP services to connect to NIPRNET, SIPRNET and JWICS (IPv4, VPN, IPSEC, GRE, IPv6, Multicast, QOS, SDN, SNMP, VOIP, VTC, etc) Experience with BGP, OSPF, and MPLS. Experience with one of the following cloud environments a plus; AWS, AZURE Must pass pre-employment qualifications of Cherokee Federal Company Information: Criterion Systems LLC is a part of Cherokee Federal - the division of tribally owned federal contracting companies owned by Cherokee Nation Businesses. As a trusted partner for more than 60 federal clients, Cherokee Federal LLCs are focused on building a brighter future, solving complex challenges, and serving the government's mission with compassion and heart. To learn more about Criterion, visit cherokee-federal.com. #CherokeeFederal #LI-CK4 #IntelCareers Cherokee Federal is a military friendly employer. Veterans and active military transitioning to civilian status are encouraged to apply. Similar searchable job titles: Cybersecurity Engineer Cybersecurity Analyst Cybersecurity Technician Network Security Analyst Network Engineer Keywords: CCNA CISCO CCNP AWS CISSP Network Security Legal Disclaimer: All qualified applicants will receive consideration for employment without regard to protected veteran status, disability or any other status protected under applicable federal, state or local law. Many of our job openings require access to government buildings or military installations. As required by our governmental client, this position requires being a US Citizen AND an active TS/Sensitive Compartmental Information (SCI) clearance.