Overview Arcfield is a leading provider of full lifecycle, mission-focused systems engineering and integration capabilities to the U.S. government and its allies. The company has more than 60 years of proven experience providing advanced engineering and analysis, IT and C5ISR capabilities to support our nation’s most critical national security missions. Headquartered in Chantilly, VA and with 16 offices around the world, Arcfield employs approximately 1,200 engineers, analysts, IT specialists, and other professionals who put our customers’ missions first, helping them solve their most complex challenges through innovations in modeling, simulation and analysis, digital transformation and C5ISR. Visit arcfield.com for more details. Responsibilities We are seeking talented, experienced Network Engineering professionals to join the Arcfield team in Huntsville, Alabama. As a Network Engineer, you will be an integral part of the Network Engineering team responsible for developing, operating, maintaining, and troubleshooting systems that support research, development, test, and evaluation for some of the nation's top priority systems. Your expertise in network architecture, security, and troubleshooting will contribute to the success of critical communication systems deployed across multiple ranges. Responsibilities: Develop and deploy communications architectures to meet dynamic mission requirements across multiple ranges. Design, install, maintain, and repair deployable communications sites, ensuring optimal performance and reliability. Familiarity with KG-175D/F TACLANEs, knowledge of how to install routes, key, and maintain TACLANEs. Configure and secure enterprise services, including routers, switches, firewalls, and access control solutions. Troubleshoot and optimize routing protocols such as OSPF and EIGRP, along with QoS, VPNs, and Spanning Tree Protocol. Interface with analog voice communications systems across multiple locations to ensure seamless integration. Maintain and update systems with patches to comply with Risk Management Framework (RMF) Information Assurance Vulnerability Management (IAVM) requirements. Collaborate with systems administrators on other standalone systems to improve their network architecture. Develop comprehensive system documentation, including standard operating procedures and network drawings. Regularly report project status to the Lead Network Engineer and Senior Management. This position may require approximately 25% travel. Other duties as assigned. Qualifications Required Experience: Bachelor's degree in Network Engineering, Computer Engineering, Computer Science, or a related technical field with 8-10 years of experience, MS 6-8 years of experience, PhD 3-5 years of experience. Valid Security+ or DoD Directive 8570.01 IAT Level II certification (required for the program). Valid Cisco Certified Network Associate (CCNA) certification or higher (may consider ability to obtain within 90 days of hire). 3+ years of general work experience designing, developing, and implementing network architecture. 3+ years of experience configuring and troubleshooting routers, switches, and associated network protocols such as OSPF, EIGRP, and Rapid PVST. 3+ years of experience supporting network security hardware and solutions like Cisco ASA firewalls, IPSEC, Access Control Lists (ACLs), and Network Address Translation (NAT). Experience with network analysis tools such as SolarWinds and Wireshark. Experience with Visio. Must BE ABLE TO OBTAIN and maintain a Secret clearance. Desired Experience: Experience securing routers, switches, firewalls, and access control solutions to meet DISA STIG requirements. Self-driven and resourceful, able to achieve goals independently and work well in groups. Strong written and oral communication skills. Demonstrated ability to mentor teammates and support customers in presentation and/or briefing environments. Strong listening skills. Ability to work in a team environment. Flexible and adaptable to changing requirements, schedules, and priorities. Ability to socialize ideas, make recommendations, and gather team consensus to move forward. EEO Statement EEO Arcfield proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active-Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.