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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Network Engineer II - **Company:** PMAT Inc. - **Location:** San Diego, CA, United States - **Salary:** $125,000.0 - $175,000.0 - **Contract:** Permanent contract - **Skills:** Access Control List, Access Network, Amazon Web Services, Microsoft Azure, Bash Shell, Cloud Computing, Cloud Computing Security, Cyber Security, Computer Networks, System Configuration, Network Congestion, Dynamic Host Configuration Protocol, Distributed Systems, Domain Name System (DNS), Data Flow Control, Network Topologies, Internet Protocol Security (IP SEC), IP Routing, Subnetting, Virtual Private Networks (VPN), Python (Programming Language), Network Security, Network Troubleshooting, Network Layer, NetFlow, Network Architecture, Network Diagrams, Network Connections, Network Interface, Network Monitoring, Routing, Network Segmentation, Packet Analyzer, Network Administration, Peering, Cloud Services, Ansible, Zero Trust Network Access, Robotic Automation Software, Simple Network Management Protocols, Systems Integration, TCP/IP, Wireshark, Virtual Local Area Networks, Software Vulnerability Management, Diagnostic Tools, Transport Layer Security, Google Cloud, Computer Network Technologies, Firewalls (Computer Science), Backend, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Low Latency, Hardware Infrastructure, Multiaccess Edge Computing, CIS Benchmarks, Firewall Services Module, Terraform - **Published:** October 2, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9214895/systems-network-engineer-ii ## About the Role * Strong foundational experience in network engineering, network administration, systems networking, infrastructure engineering, or related technical roles. * Experience configuring, maintaining, and troubleshooting Layer 2 and Layer 3 networks, including switching, routing, VLANs, subnets, and network segmentation. * Understanding of core networking concepts and protocols, including TCP/IP, DNS, DHCP, routing, ports and protocols, and network addressing. * Experience configuring or supporting firewalls, ACLs, VPNs, traffic filtering, network access controls, or other network security technologies. * Experience troubleshooting network connectivity, performance, latency, routing, and configuration issues using network monitoring and diagnostic tools. * Experience developing or maintaining network diagrams, topology documentation, configuration records, data-flow diagrams, or other network engineering documentation. * Understanding of cybersecurity principles, network hardening, least-privilege access, vulnerability remediation, and secure network configuration practices. * Strong analytical and problem-solving skills with the ability to troubleshoot technical issues across networks, systems, applications, and infrastructure. * Strong written and verbal communication skills with the ability to collaborate effectively with network, cloud, cybersecurity, software, infrastructure, and engineering teams. Preferred Skills and Experience: * Experience supporting autonomous systems, robotics, unmanned platforms, edge computing, tactical systems, or other distributed mission environments. * Familiarity with AWS, Azure, GCP, or similar cloud platforms and networking constructs such as VPCs/VNets, subnets, route tables, peering, private endpoints, gateways, and cloud security controls. * Familiarity with enterprise network monitoring and diagnostic technologies such as SNMP, NetFlow/sFlow, Wireshark, packet analyzers, or similar tools. * Familiarity with Kubernetes and container networking concepts, including Container Network Interfaces (CNIs), Pod-to-Pod communication, Services, Ingress controllers, and containerized microservice connectivity. * Familiarity with network or infrastructure automation using Terraform, Ansible, Python, Bash, or similar automation and Infrastructure as Code technologies. * Familiarity with Zero Trust architectures, network segmentation, identity-aware networking, or other modern network security approaches. * Familiarity with CIS Benchmarks, NIST guidance, STIGs, or other security baselines applicable to network infrastructure. * Experience supporting hybrid environments connecting on-premises infrastructure, cloud services, edge computing platforms, and geographically distributed systems. * Experience supporting Navy, Department of War, government, classified, or other mission-critical network environments. * Demonstrated ability and interest in expanding technical expertise across autonomous systems, cloud infrastructure, container networking, automation, and emerging network technologies. Education and Certification Requirements: * Bachelor's Degree or Equivalent Experience * Current Security+ Certificate Preferred Citizenship and Clearance Requirements: * U.S. Citizenship required * No dual citizenship * TS/SCI Eligible, security clearance required ## Description * Configure, maintain, and troubleshoot Layer 2 and Layer 3 network infrastructure supporting on-premises, laboratory, test, cloud, edge, and distributed operational environments. * Support network connectivity for autonomous and robotic systems by integrating edge compute nodes, fielded platforms, network infrastructure, and cloud or on-premises backend services. * Develop and maintain network topology diagrams, data-flow documentation, configuration records, interface information, and other technical artifacts documenting system connectivity and network dependencies. * Configure and maintain network security controls, including Access Control Lists (ACLs), firewall policies, traffic filtering rules, ports and protocols, and network segmentation to support least-privilege access. * Deploy, monitor, troubleshoot, and maintain secure remote and site-to-site connectivity using IPsec, SSL/client-based VPNs, and other approved communications technologies. * Monitor network health, availability, throughput, packet loss, and latency using network monitoring and diagnostic technologies while troubleshooting L2/L3 issues affecting applications, infrastructure, and real-time autonomous system operations. * Support provisioning and configuration of cloud networking components, including VPCs/VNets, subnets, route tables, peering connections, security controls, and private endpoints used to connect cloud services with enterprise and edge environments. * Support network security hardening, configuration reviews, vulnerability remediation, port and protocol reviews, and implementation of applicable cybersecurity requirements and technical security baselines. * Collaborate with senior network engineers, cloud and platform teams, cybersecurity personnel, software developers, and autonomous systems engineers to resolve complex connectivity issues and support integration, testing, deployment, and sustainment activities.