Systems Network Engineer II

SAIC • San Diego, CA

2d • Onsite

About The Position

SAIC is seeking a mid-level Systems Network Engineer II to support the design, configuration, integration, and sustainment of secure network infrastructure for distributed computing, cloud, and software environments. The role works across on-premises lab and test environments, cloud infrastructure, and distributed computing platforms to maintain reliable and secure connectivity. The engineer collaborates with network, cloud, platform, cybersecurity, software, and infrastructure teams to troubleshoot issues, maintain documentation, implement access controls, and support emerging capabilities. The position is onsite in San Diego, California, with up to 5% CONUS/OCONUS travel.

Requirements

• Bachelor’s degree and at least 5 years of experience; or a master’s degree and at least 3 years of experience; or a Ph.D. and 0 years of related experience.
• Must be a U.S. citizen.
• Must have an active Secret clearance to start.
• Must be able to obtain a TS/SCI after start.
• 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, including the ability to troubleshoot issues across networks, systems, applications, and infrastructure.
• Strong written and verbal communication skills and the ability to collaborate with network, cloud, cybersecurity, software, infrastructure, and engineering teams.

Nice To Haves

• Experience supporting distributed computing, edge computing, robotics, unmanned platforms, or other complex technology 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 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, distributed computing platforms, and geographically distributed systems.
• Experience supporting government, defense, classified, or other mission-critical network environments.
• Demonstrated ability and interest in expanding technical expertise across cloud infrastructure, container networking, automation, and emerging network technologies.

Responsibilities

• Configure, maintain, and troubleshoot Layer 2 and Layer 3 network infrastructure for on-premises, laboratory, test, cloud, and distributed computing environments.
• Integrate compute nodes, network infrastructure, and cloud or on-premises backend services to support network connectivity.
• Develop and maintain network topology diagrams, data-flow documentation, configuration records, interface information, and other technical artifacts documenting connectivity and dependencies.
• Configure and maintain network security controls, including ACLs, firewall policies, traffic filtering rules, ports and protocols, and network segmentation.
• 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, and troubleshoot L2/L3 issues affecting applications and infrastructure.
• Support provisioning and configuration of cloud networking components, including VPCs/VNets, subnets, route tables, peering connections, security controls, and private endpoints.
• 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 infrastructure engineers to resolve connectivity issues and support integration, testing, deployment, and sustainment.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level