Tier III Senior Network Engineer

Senior Network Engineer – Tier III – MacDill AFB, FL We are hiring a highly motivated Tier III Senior Network Engineer to support the Global Solutions Management-Operations II (GSM-O II) and Joint Communications Support Element (JCSE) teams. The role will provide engineering support for new capability development, system assessments, and cybersecurity mitigations for the Joint Network Operations Center. Responsibilities Provide Tier III routing and switching support, designing, testing, and implementing IGP, EGP, MPLS, VRF, and NFV/Service Chaining on an enterprise network. Ensure proper routing protocols to optimize end‑to‑end performance across LAN, WAN, CAN, SAN, or data center environments. Assist the government customer with identifying design objectives, specifications, and interoperability requirements. Ensure system design adheres to industry standards, DOD standards, policies, directives, cybersecurity policies, and best commercial practices. Develop presentations and briefings to stakeholders articulating gaps, requirements, and solution architecture. Provide analysis on how operational, functional, and performance requirements will be met during design, test, and implementation. Minimum Qualifications Current DoD 8140 (formerly 8570) IAT Level II certification such as CompTIA Security+ce, CCNA Security, or CySA+. CCNP Enterprise. Bachelor’s degree in a related field and 4–8 years of relevant experience, or Master’s degree with 2–6 years of relevant experience. Secret clearance. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr Leidos