Network Enterprise Design Engineer Senior

NGEN-R is the largest IT services program for the Navy. Under the Service Management, Integration, and Transport (SMIT) portion of NGEN-R, the Leidos team will deliver the core backbone of the Navy-Marine Corps Intranet (NMCI) and Marine Corps Enterprise Network (MCEN), including cybersecurity services, network operations, service desk, and data transport. MCEN is the Marine Corps’ network‐of‐networks and approved interconnected network segments. It comprises people, processes, logical and physical infrastructure, architecture, topology and Cyberspace Operations. The MCEN is characterized at a minimum to include Programs of Record that provide network services to forward deployed forces operating in the USMC.mil namespace and in USMC routable IP addresses; and Operations and Maintenance functions that provision data transportation, enterprise IT, network services, and boundary defense. The Defense Group of Leidos currently has an opening for an Network Enterprise Design Engineer Senior to be in San Diego, CA. The Network Enterprise Design Engineer Senior will implement and monitor security measures for communication systems, networks, and provide advice that systems and personnel adhere to established security standards and Governmental requirements for security on these systems. Other duties and responsibilities include, but are not limited to: Develop, Review and Maintain procedures related to the overall monitoring of Hosts/System Perform defensive cyber operation duties including, but not limited to, ensuring server compliance with Marine Corps IAVM, and Tenable SecurityCenter. Configuring and maintaining the health of Confluent, Kafka, data/ingest flows and supporting architecture. Develop and execute Government approved security policies, plans, and procedures; implement data network security measures; conduct IS security incident handling; support Continuity of Operations Plan/Disaster Recovery (COOP/DR) plans and perform certification of IS and networks. Perform weekly vulnerability audits, submit Plans of Action and Milestone (POA&M) and assist with patching for all DCO Division systems to maintain compliance with operational directives. Teaching, coaching and mentoring others Building effective communications to explain complex technical information to wider audiences. Basic Qualifications: US Citizen with an active DOD Secret clearance Must have a High School Diploma, or GED, and at least 8 years of related experience. Must currently possess an IAT Level III certification. Must have Software Define Network experience. Must understand Kafka architecture (brokers, topics, partitions, consumers, producers) and have proficiency in Kafka CLI tools for topic creation, data publishing, and message consumption. Have experience in managing schema evolution in Confluent’s Schema Registry and have expertise with Avro and JSON Schema for data serialization. Have solid knowledge or experience in several of the following areas: Linux and Linux Commands; SQL and KQL or structured query languages; Confluent/Kafka knowledge and navigation; Understanding SSL/TLS for data encryption; Java (primary Kafka client library); Python (for data pipelines and scripting); Go or Node.js (for building lightweight streaming apps) NGEN Hourly rate range: $45/hour - $55/hour The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: June 17, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range - The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to View email address on click.appcast.io. Commitment and Diversity 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.