Currently, ManTech is seeking a motivated, mission and customer-oriented **Chief Infrastructure Engineer** Network (Specialist) to join our team in Washington, DC Metropolitan area-hybrid/virtual. **Responsibilities include but not limited to:** + Direct and control activities for performing functional and timeline analysis, requirements allocation and interface definition studies to translate requirements into hardware and software specifications. + Act as technical liaison between operations teams, engineers, and architects, providing critical operational insight to upcoming implementations and strategies, including validation of ongoing solutions supportability. + Perform design and implement standalone technology that requires the integration with diverse and complex components. + Design, configure, and test networking software, computer hardware, and operating system software. + Configure firewalls, routing, and switching to maximize network efficiency and security. + Maximize network performance through ongoing monitoring and troubleshooting. + Provide technical/management leadership on major tasks or technology assignments. + Provide specific, detailed information for selection, implementation techniques, and tools for the most efficient solution to meet contract requirements. + Exercise independent judgement in methods, techniques, and evaluation criteria to investigate alternatives, cost analysis, estimation, and decision analysis for obtaining results. + Ensure the logical and systematic conversion of requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. + Diagnosis and resolve complex technical problems and provide innovative solutions. + Create and maintain system technical documentation from design through sustainment. + Interact with users to gather requirements, evaluate vendor products, analyze alternative, and make recommendations for technical refresh. + Develop and maintain systems configurations and executes administration and operational duties on computer systems while maintaining data/information as required. + Lead technical meetings related to integration and continuous management. **Basic Qualifications:** + A **Master’s degree** in Information Technology or related discipline + A minimum of (20) **twenty years of experience** relevant to the role + An IT Infrastructure Library version four ( **ITIL v4** ) certification + **Multiple industry certifications** relevant to job duties + Strong knowledge of **DevSecOps, Agile, Cloud Technologies,** and **Networking Engineering** best practices and methodologies + Experience with various cloud platforms and management technologies + Extensive engineering experience with various operating systems and network architectures + Excellent written and verbal communication skills + Demonstrated initiatives, sound judgement, and efficient decision-making **Preferred Qualifications:** + A **Doctorate’s degree** + Extensive knowledge and experience designing and implementing complex solutions in cloud environment + Extensive experience designing, developing in or transitioning systems in a hybrid cloud delivery model + Experience designing, installing, operating, and maintaining virtual environments/services + Experience with cybersecurity technology standards, policies and procedures + Strong domain knowledge and expertise in one or more technical areas within the work requirements (Cloud design and implementation, Cybersecurity, Agile/DevSecOps software development methodology and Network engineering **Clearance Requirements:** + Must be a US Citizen + Top Secret with SCI eligibility 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.