Lead a team of network engineers designing and maintaining enterprise SD-WAN and software-defined networking solutions for Naval tactical networks. Provide Tier IV network support, perform network architecture design and system operational analysis, troubleshoot outages, and develop automated configuration management solutions.… Collaborate with cybersecurity, engineering, QA, and operations teams to meet enterprise migration, data center, and remote access requirements while supporting global critical security missions.
Senior Network Administrator with 10+ years of enterprise network engineering experience to design, deploy, and maintain complex routing, switching, and firewall infrastructure in multi-cloud DoD/government environments. Responsibilities include managing IP address space, VLANs, VPCs, and routing protocols (OSPF, BGP); implementing secure tunneling (IPsec) and Network Access Control solutions; supporting Zero Trust architectures; and coordinating with engineering and cybersecurity teams on network modernization.… Must hold an Active Secret clearance and DoD 8570/8140 IAT Level II certification plus a relevant Cisco or security certification (Security+, CySA+, GSEC, SCNP, or SSCP).
Network Engineer III supporting testing of communications between a Surrogate MQ-25 Air Vehicle and Ground Control Station, including narrowband and wideband satellite and line-of-sight links for C4I operational network evaluation. The role requires 4+ years of DoD/government network engineering experience, demonstrated proficiency in Layer 2/3 protocols (BGP, DMVPN, IPSec, EIGRP, OSPF, VRRP, STP), Cisco routing and switching, Linux system administration, and network automation tools (Ansible, Python).… Responsibilities include designing and testing multi-vendor network systems, writing test plans and procedures, performing Wireshark traffic analysis, configuring network devices (routers, switches, firewalls, INEs), applying DISA STIGs, and generating RMF artifacts. A Bachelor's degree in Network Engineering or related field and CCNA certification are required; CCNP or CCIE preferred.
Sigma Defense seeks Network Engineers (I, II, or III) to configure, install, and maintain DoD network equipment across Navy Enterprise architecture, including switching, routing, firewalls, wireless, and VoIP systems. Candidates will design and troubleshoot VLANs, routing protocols, IP addressing, and WAN connectivity while applying network STIGs and integrating external services.… The role requires hands-on expertise with Cisco ISE, Palo Alto, next-gen firewalls, and deployment automation tools (Ansible, Python, PowerShell), scaling from 0–2 years (Level I) through 7+ years (Level III), with Security+ or CISSP certification mandatory.
The Network Engineer IV delivers advanced carrier training tactical system network engineering, integration, and sustainment for Navy afloat C4ISR operations within the CANES architecture. The role maintains, configures, and troubleshoots ruggedized network hardware and software baselines; provides direct technical support to shipboard ITs during Fleet training evolutions and underway testing; and ensures system readiness, cybersecurity compliance, and secure tactical data transport.… The engineer supports RMF artifacts, STIG application, vulnerability remediation, and Zero Trust hardening across Fleet units. 3–5 years of network engineering experience, CCNA/CCNP certification, DoD 8570 IAT Level II (Security+), and an active Secret clearance are required.
This role manages a large technical team supporting Navy-Marine Corps Intranet (NMCI) network operations under the SMIT contract. The engineer will lead field/base network operations including BAN/LAN/WAN troubleshooting, installation, configuration, cabling, and COMSEC support across DOD enterprise network environments.… Responsibilities include incident response, change management, problem management, and DevSecOps initiatives, with direct customer interaction and resource management. The position requires extensive operations/engineering leadership experience, solid network architecture knowledge, and hands-on proficiency in fault diagnosis, repair, and passive infrastructure work.
Lead a large technical team supporting Navy-Marine Corps Intranet (NMCI) operations under the SMIT contract, managing network infrastructure, incident response, change management, and O&M initiatives. Perform hands-on network engineering including troubleshooting, installation, configuration, cabling, and COMSEC support across BAN/LAN/WAN environments.… Analyze network architectures, diagnose faults, manage customer relationships, and execute projects in a fast-paced DOD enterprise network environment. Requires extensive operations/engineering leadership experience with network/transport technical background and DOD enterprise network knowledge.
Senior Network Engineer providing engineering, integration, testing, and operational support for complex Combined Test Bed (CTB) network environments in defense settings. Responsibilities include installation, configuration, upgrades, and STIG compliance of network infrastructure; monitoring and troubleshooting network performance at physical and IP packet levels; designing and maintaining secure multi-cloud connectivity across AWS and Azure; and configuring enterprise networking technologies including routing, switching, firewalls, IPsec, OSPF, and BGP.… Requires 10+ years in network engineering within enterprise or government environments, expertise in routing/switching platforms, Palo Alto firewalls, HPE Aruba solutions, cloud networking, and active Secret clearance with DoD 8570 IAT Level II and networking certifications (CCNA, CCNP, or CCDP).
The Windows & Linux System Administrator will administer and maintain Windows 11 and Red Hat Enterprise Linux (RHEL) systems in secure DoD environments, develop PowerShell and Bash automation scripts, and support infrastructure engineering initiatives. The role requires ensuring compliance with DISA security requirements through STIG implementation, patch management, and system hardening, while utilizing Ansible for automation across secure networks.… Candidates must have 3+ years each administering Windows and RHEL systems, experience with the IAVM process, and hold an active Secret clearance with IAT Level II certification.
The Network Engineer IV delivers advanced tactical network engineering, integration, and sustainment for Navy carrier training systems within the CANES architecture. The role involves maintaining, configuring, and troubleshooting shipboard network hardware and software, supporting NIWC Pacific and fleet operations during training exercises and deployment workups.… Key responsibilities include system sustainment, afloat technical support, cybersecurity compliance (RMF, STIG, Zero Trust), and automated testing. The engineer must hold or obtain a Secret clearance, possess CCNA/CCNP and Security+ certifications, and have 3–5 years of network engineering experience with Navy tactical networks (NIPR/SIPR/CANES).
This is a tiered network engineering role (I–III) supporting DoD Navy Enterprise Network architecture. Engineers will configure, install, and maintain network equipment including switches, routers, firewalls, wireless controllers, and network access control systems; design and troubleshoot VLANs, routing protocols, IP addressing, and WAN connectivity; and apply DoD security standards (STIGs) in coordination with cybersecurity teams.… Requirements scale with experience level (0–2 years for Level I, 3+ for Level II, 7+ for Level III) and include knowledge/expertise in Cisco ISE, Palo Alto, Zscaler, Ansible, Python, and PowerShell, plus Security+ or CISSP certification.
Network Engineer III will support testing of communications between a Surrogate MQ-25 Air Vehicle and Ground Control Station, including narrowband and wideband satellite and line-of-sight links. Responsibilities include designing and troubleshooting multi-vendor network systems (routers, switches, firewalls), writing test plans and procedures, performing Wireshark traffic analysis, configuring network devices, and applying DISA STIGs.… The role requires 4+ years of DoD/government network experience, proficiency in Cisco routing/switching, Layer 2/3 protocols (BGP, DMVPN, IPSec, OSPF, EIGRP, VRRP, STP), Linux administration, and network automation tools (Ansible, Python). CCNA certification is mandatory and Secret clearance must be held at start.
Network Engineer responsible for designing, configuring, and sustaining mission-critical networked systems including Cisco, Aruba, Juniper, Cambium, and Antaira equipment. The role spans end-to-end lifecycle activities: staging, integration, testing, fielding, and sustainment of networks in labs, shore facilities, and data centers.… Requires hands-on expertise in Layer 2/3 technologies, routing protocols (OSPF, BGP), VPNs, firewalls, and wireless deployments, with mandatory compliance to RMF and STIGs. Must hold or obtain a DoD Secret clearance and meet DoD 8570/8140 baseline certification (Security+, CISSP, CASP+, or higher) plus vendor certifications (JNCIA/CCNA or higher).
This role supports mission-critical network operations for U.S. Navy RDT&E infrastructure, requiring 10+ years of enterprise network engineering experience.… The Network Engineer will design, configure, and maintain complex routing, switching, and firewall solutions across on-premises and cloud environments (AWS/Azure), implement Zero Trust and network security architectures, and ensure STIG compliance and high-performance connectivity. Hands-on expertise with BGP, OSPF, IPsec, VLANs, HPE Aruba, Palo Alto firewalls, and enterprise monitoring tools (Traffic Sentinel, Zabbix) is essential. An active Secret clearance and IAT II certification (Security+, CCNA Security, or equivalent) are required.
Network Engineer II designs, maintains, and troubleshoots ICW Group's multi-vendor network infrastructure, including LAN, WAN, MPLS, SAN fabric switches, server load balancers, and VoIP systems. Provides 3rd tier technical support, works with security and project teams to mitigate network risks, and ensures compliance with ITIL and regulatory standards.… Requires a Bachelor's degree in Computer Science or related field, minimum 5 years of networking experience, CCNA or JNCIA certification (CCNP or JNCIS preferred), and hands-on expertise with Juniper networking devices, VMware virtualization, routing protocols, and firewall administration.
As a Network Engineer supporting Naval Information Warfare Center Pacific, you will engineer, configure, and sustain advanced networking equipment (Juniper, Aruba, Cisco) across Navy installations worldwide. You will design secure network architectures, implement RMF and STIG compliance, manage VLANs/routing/VPNs, support wireless deployments, and conduct site surveys and integration testing with 50%+ travel.… You must hold an active DoD Secret clearance, meet DoD 8570/8140 certification requirements (Security+ minimum), and have 8+ years of DoD or enterprise network engineering experience with hands-on expertise in Juniper, Aruba, and Cisco platforms.
Sr. Systems Administrator responsible for daily operational management of computer network systems including workstations, file servers, and virtual machines.… Duties include installation and maintenance of hardware/software, network security tools (firewalls, anti-virus, intrusion detection), VMware/vSphere environments, storage solutions, and disaster recovery infrastructure. Requires 5+ years systems administration experience, 3+ years network engineering with 2+ years cloud architecture, and must hold or obtain a Top-Secret DoD security clearance. Will create technical documentation, troubleshoot vCenter/ESXI/NSX/storage systems, perform capacity planning, and manage containerized deployments.
As a Network Engineer supporting Naval Information Warfare Center Pacific, you will engineer, configure, and sustain advanced networking equipment (Juniper, Aruba, Cisco, Antaira, Cambium) across Navy installations worldwide. You will support the full system lifecycle—staging, integration, testing, fielding, and sustainment—of networked systems protecting mission-critical assets, implementing secure architectures aligned with RMF and STIGs, and conducting site surveys and operational verification testing during frequent travel (50%+).… The role requires hands-on expertise in Junos OS, ArubaOS, Cisco platforms, routing protocols (OSPF, BGP), VLANs, VPNs, firewalls, and vulnerability remediation, with a DoD 8570/8140 baseline certification and an active interim Secret clearance.
Staff Software Engineer role leading the design, development, and evolution of networking software for Teradata's massively parallel processing (MPP) platform. Responsibilities include architecting scalable and fault-tolerant networking software for high-speed, low-latency interconnects, evaluating emerging technologies (DPUs, accelerators, interconnect fabrics), leading complex debugging and root-cause analysis across hardware/firmware/OS/networking layers, and mentoring engineers.… Required expertise: HPC and distributed systems development, Linux kernel and driver development in C, InfiniBand and Ethernet networking with RDMA/RoCE, TCP/IP and UDP networking, packet-level analysis tools, high-throughput low-latency protocol design, and proficiency in C, Bash, and Python.
Network Engineer responsible for deploying, configuring, troubleshooting, and optimizing enterprise network infrastructure supporting Department of War missions across data centers, campuses, and tactical environments. Will work with routing, switching, security technologies, and systems integration to deliver resilient, secure, and high-performing network solutions.… Requires 3+ years of hands-on network infrastructure experience, knowledge of enterprise networking protocols and security technologies, and ability to develop technical documentation and artifacts. Requires Secret clearance and CompTIA Security+ and Cisco CCNA certifications.
As a Network Engineer IV supporting Naval Information Warfare Center Pacific, you will engineer, configure, and sustain advanced Cisco, Aruba, Juniper, and other enterprise networking equipment for Navy Public Safety Systems. You will support the full system lifecycle—staging, integration, testing, fielding, and sustainment—across NIWC labs, shore facilities, and deployed environments.… Responsibilities include implementing secure network architectures aligned with Risk Management Framework (RMF) and Security Technical Implementation Guides (STIGs), performing system hardening and vulnerability remediation, and maintaining configuration baselines and technical documentation. You must hold or obtain a DoD Secret security clearance, possess DoD 8570/8140 baseline certification (Security+ CE minimum), and have 8+ years of hands-on network engineering experience with Juniper, Aruba, and Cisco platforms.
Network Engineer supporting the Global Sustainment Contract at Naval Information Warfare Center Pacific, responsible for engineering, configuring, and sustaining advanced networking equipment (Juniper, Aruba, Cisco, Antaira, Cambium) across Navy installations worldwide. The role encompasses end-to-end system lifecycle support including staging, integration, testing, fielding, and sustainment; deployment and troubleshooting in labs, shore facilities, and data centers; and implementation of secure network architectures aligned with Risk Management Framework (RMF) and Security Technical Implementation Guides (STIGs).… Requires 8 years of network engineering experience, active DoD Secret clearance, and DoD 8570/8140 baseline certification (Security+ CE minimum or higher such as CISSP or CASP+), with hands-on expertise in Juniper (Junos OS, EX/QFX/SRX), Aruba (ArubaOS, Instant AP, Aruba Central), Cisco (Catalyst, ISR, ASA, Firepower), and core networking technologies including Layer 2, routing protocols (Static, OSPF, BGP), VPNs (IPSec), ACLs, and firewalls.
Lead network design and management for military C4I and C4ISR systems, with responsibility for complex LAN/WAN infrastructure using Cisco products (switches, routers, firewalls). Troubleshoot network hardware and software issues, design secure operational networks, and collaborate with U.S.… Government network and cyber engineers. Requires 7–10 years of network engineering experience, proficiency in Cisco, TCP/IP, MPLS, OSPF, EIGRP, DMVPN/mGRE, and active Secret clearance; up to 25% OCONUS travel for integration and testing.
Senior Network Engineer supporting mission-critical defense network environments at NIWC Pacific. Responsibilities include engineering, integration, testing, and maintenance of complex Combined Test Bed (CTB) network infrastructure, with emphasis on security, STIG compliance, and multi-cloud connectivity.… Required skills span enterprise routing/switching, firewall management, cloud networking across AWS and Azure, and network security technologies including Zero-Trust architectures. Must hold or be able to obtain Active Secret clearance and possess DoD 8570 IAT Level II and networking certifications.
Senior Linux System Administrator supporting a large DOD program in San Diego. Responsibilities include installing, configuring, and supporting LAN/WAN and Internet systems; monitoring network availability; assisting with network modeling, analysis, and planning; and administering network security measures.… Requires Bachelor's degree with 4 years of experience (or equivalent), ability to obtain and maintain Secret or Top Secret clearance, strong Linux experience, and Security+ certification.