MANTECH seeks a motivated, career and customer oriented **System Network Engineer** to join our team in **Hanover, Maryland** . You will play a vital role in protecting national security and driving innovation, with opportunities for career growth. **Responsibilities Include, but are not limited to:** + Analyze user requirements, operational concepts, and system architectures to develop detailed system specifications. + Lead system design and development activities, guiding users in requirements formulation and evaluating alternative solutions. + Develop and maintain technical documentation, including system architecture and design documents, engineering management plans, and integration/test plans. + Ensure the technical integrity of systems engineering deliverables and manage the system baseline throughout its lifecycle. + Direct the development, integration, and testing of complex hardware/software systems and networks, including requirements analysis, concept development, and interface standards. + Assist with system security compliance and application to networks and equipment. + Lead or assist with troubleshooting and repair of systems and network components (routers, switches, servers, VMs, workstations). **Minimum Qualifications:** + Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science or related field; an additional 5 years of experience might be substituted for degree. + 14+ years of systems engineering experience in similar programs/contracts. + 7+ years of combined experience in the following areas: + Designing and implementing MS Windows Server and Cisco networks in both classified and unclassified environments. + Designing/configuring classified systems, servers, and networks. + Workstation/server design, configuration, implementation, software installation, maintenance, and problem resolution. **Security Clearance Requirements:** + Active/Current Top Secret SCI with Poly required. **Physical & Professional Requirements:** + Ability to perform light physical work (lifting up to 20 lbs., bending, kneeling, walking). + Proficiency with MS Office and PC use. + Strong analytical, critical thinking, interpersonal, leadership, listening, multitasking, communication, and organizational skills. + Ability to work under pressure and handle stress. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.