Systems Network Engineer II

Job ID: 2617932
Location: San Diego, CA, US
Date Posted: 2026-10-14
Category: Software
Subcategory: SW Engineer
Schedule: Full-Time
Shift: Day Job
Travel: Yes - 10% of the time
Minimum Clearance Required: Secret
Clearance Level Must Be Able to Obtain: TS/SCI
Potential for Remote Work: ORA_ON_SITE
Description
SAIC seeking a Systems Network Engineer II to support the design, configuration, integration, and sustainment of secure network infrastructure supporting distributed computing, cloud, and software environments. This mid-level role will work across on-premises lab and test environments, cloud infrastructure, and distributed computing platforms to maintain reliable and secure connectivity. The candidate will collaborate with network engineers, cloud and platform teams, cybersecurity personnel, software developers, and other technical stakeholders to troubleshoot network issues, maintain network documentation, implement access controls, and support emerging capabilities. The ideal candidate possesses strong foundational networking skills, hands-on troubleshooting experience, and an interest in expanding their expertise across cloud networking, containerized environments, network automation, and modern infrastructure technologies.
THIS IS AN ONSITE ROLE IN SAN DIEGO, CA. WITH UP TO 5% OF CONOCONUS TRAVEL INVOLVED.
JOB DUTIES:

• Configure, maintain, and troubleshoot Layer 2 and Layer 3 network infrastructure supporting on-premises, laboratory, test, cloud, and distributed computing environments.
• Support network connectivity by integrating compute nodes, 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 and infrastructure.
• 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 distributed computing 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 infrastructure engineers to resolve complex connectivity issues and support integration, testing, deployment, and sustainment activities.

Qualifications
REQUIREMENTS:

• Bachelors and five (5) years or more experience; Masters and three (3) years or more experience; PhD and 0 years related experience
• 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 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.

DESIRED SKILLS:

• Experience supporting distributed computing, edge computing, robotics, unmanned platforms, or other complex technology environments.
• Familiarity with AWS, Azure, Google Cloud Platform, 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, 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.

Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.
SAIC is a premier technology integrator providing full life cycle services and solutions in the technical, engineering, intelligence, and enterprise information technology markets. SAIC is Redefining Ingenuity through its deep customer and domain knowledge to enable the delivery of systems engineering and integration offerings for large, complex projects. SAIC's approximately 15,000 employees are driven by integrity and mission focus to serve customers in the U.S. federal government. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $4.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see .