Network Engineer III

General information Requisition #

R65609

Locations USA-CA-San Diego Posting Date 01/31/2026 Security Clearance Required Secret Remote Type Onsite Time Type Full time Description & Requirements Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH! ***This is for a future opportunity*** MANTECH seeks a motivated, career and customer orientated Network Engineer III to join our team supporting NSWC Corona Range Systems Department to manage Information Technology efforts in support of the Navy Enterprise Tactical Training Network (NETTN). This position will work from a government facility at San Diego, CA. Responsibilities include but are not limited to: Establishes system information requirements using analysis of the information engineer(s) in the development of enterprise-wide or large-scale information systems. Designs architecture to include software, hardware, and communications to support the total requirements as well as provide for present and future cross-functional requirements and interfaces. Ensures these systems are compatible and in compliance with the standards for open systems architectures, the Open Systems Interconnection (OSI) and International Standards Organization (ISO) reference models, and profiles of standards - such as Institute of Electrical and Electronic Engineers (IEEE) Open Systems Environment (OSE) reference model - as they apply to the implementation and specification of Information Management (IM) solution of the application platform, across the application program interface (API), and the external environment/software application. Ensures that the common operating environment is TAFIM compliant. Evaluates analytically and systemically problems with management/planning/organization/processes and develops appropriate corrective action. Formulates and defines system scope and objectives for assigned projects. Responsible for program design, coding, testing, debugging and documentation. Possess full technical knowledge of all phases of applications systems analysis and programming. Minimum Qualifications Bachelor's degree (4 years of experience can be substituted for a degree) Nine (9) Years of information technology experience Preferred Qualifications: Master of Science Degree in Information Technology or related field. Familiarity with the United States Navy preferred. Experience with NSWC Corona RS Division and NCTE Clearance Requirements: Must have a current/active Secret Clearance with ability to obtain TS. Physical Requirements: 10% travel anticipated. Work will require movement from ManTech Site to Government for client meetings and support functions. The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which involve delivering presentations. The projected compensation range for this position is $117,000.00-$195,100.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at View email address on click.appcast.io and provide your name and contact information. ManTech International Corporation