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Senior Staff / Senior Network Engineer

SciTec
CompanySciTec
CategoryEngineering
LocationBoulder
RemoteOn-site (inferred)
EmploymentNot stated
LevelSenior
SalaryNot stated by the employer
Posted1 Jul 2026
Last verified12 Aug 2026
SourceEmployer ATS (workable)
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Description
SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions. Important Notice : SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. SciTec cannot sponsor or assume sponsorship of employee work visas of any type. Further, U.S. citizenship is a requirement to obtain and keep a security clearance. Applicants that do not meet these requirements will not be considered. SciTec has an immediate opportunity for a talented Network Engineer to join our team in Boulder, CO. Successful applicants will bring deep experience with network engineering, a readiness to work hands-on keyboard to solve challenging network problems, a strong collaborative spirit, experience successfully mentoring junior team members, superior problem solving skills, a passion for security and data protection, and a clear focus on supporting customer needs. Responsibilities Design and deploy highly performant, secure data center networks (LAN, WLAN, WAN) as a member of product teams and corporate infrastructure teams Configure and install, routers, and other network devices Monitor key network indicators (e.g., network performance, device health, status, integrity, etc.) Resolve issues escalated by lower service desk tiers by troubleshooting deployed, cloud, and local infrastructure Automate tasks and monitor their effectiveness Mentor team members on technical issues Create, oversee, and test security measures (e.g., access authentication and disaster recovery) Communicate with users to design and field optimal solutions Design and implement solutions to deliver superior network performance, capacity and scalability Maintain complete technical documentation Other duties as assigned Requirements 6+ years of industry experience as a Network Engineer or Network Administrator Professional experience in data center network support and administration using spine-leaf topology Proficiency with network security principles, including monitoring, hardening, threat models, common vulnerabilities, and access control models In-depth understanding of communication protocols (mainly TCP/IP) and routing protocols (e.g., BGP, OSPF) Experience working with and troubleshooting OSI network layers for TCP/IP networks, via physical and software-based diagnostics and tools Experience planning, deploying, and troubleshooting WAN, firewalls, LAN, DNS, VLANs, static and dynamic IP addressing, remote and point to point VPNs in on premises, cloud and hybrid environments such as Amazon Web Services and Microsoft Azure Working knowledge of Storage Area Networks (SANs) Experience with Dell or legacy Brocade switches is a plus Experience configuring networks using a Fibre Channel Switch Fabric topology is a plus Familiarity with application layer network and firewall configuration in Linux and VMware systems Hands on experience with TACACS, Radius, authentication services and servers. Experience with network diagnostic, monitoring and analysis tools (e.g., SolarWinds network tools, packet analyzers) Strong understanding of network operating systems (Cisco IOS preferred) Proficiency with Linux and Windows operating systems Sharp troubleshooting skills Ability to work independently Excellent organizational and mentoring skills Ability to obtain and maintain a DoD security clearance Demonstrated attention to detail Good verbal and written communication skills Candidates with meeting the following criteria will be preferred: