> Markdown version of [/jobs/ext/3925451-mid-level-network-engineer-269k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/3925451-mid-level-network-engineer-269k-yr-ts-sci-fs-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mid-Level Network Engineer [$269k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States - **Experience:** Experienced - **Salary:** $269,000.0 - **Contract:** Permanent contract - **Skills:** Complex Networks, Networking Hardware, Network Security, Linux Servers, Network Architecture, Network Monitoring, Ansible, Network Routers, System Availability, Firewalls (Computer Science), Juniper, Firewall Services Module, Cisco - **Published:** October 26, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9250926/mid-level-network-engineer-269kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 12+ years * Required Certifications: DoD 8570/8140 IAT Level III * Total Compensation: $269k+ yearly ## Description * Implement and maintain mission-critical network infrastructure utilizing Cisco and Juniper routers, switches, and firewalls. * Oversee comprehensive network security, maintain system integrity, and actively monitor network traffic and performance health. * Support Linux server environments and streamline operational workflows using automation tools such as Ansible and Salt., * Develop, plan, and implement scalable network solutions, modern network layouts, and system upgrades. * Install, configure, and maintain network hardware including routers, switches, firewalls, and associated software. * Implement and administer network security measures, including firewall rules, access controls, and data protection protocols. * Troubleshoot, diagnose, and resolve complex network issues to ensure high availability. * Monitor network health, analyze traffic patterns, and improve operational visibility through metrics and alerting. * Create and maintain thorough network documentation, standard operating procedures, and policies.