**ManTech** seeks a motivated, career and customer-oriented **Command, Control, Communications, Computers, and Intelligence** ( **C4I), Expert** to join our team in **Norfolk, VA.** This is an onsite position. **Responsibilities include, but are not limited to:** + Accessing all relevant technical data related to C4I systems configurations including technical publications, drawings/models and logistics data and will be required to submit configuration changes based on equipment validations, maintenance planning and execution, data processing from end users and alteration installers. + Provide Tier 3 engineering support to related C4I systems when site administrators and personnel are unable to solve technical issues. Sustain, develop, and maintain tactical C4I baseline configurations within the NCTE enterprise. + Responsible for the sustainment of C4I related systems through the Naval Continuous Training Environment (NCTE) + Developing lessons learned, best practices, Tactics Techniques and Procedures (TTP). + Briefing complex technical issues (including performance, cost, schedule, and risk implications) to decision makers. + Up to 25% travel if necessary. **Minimum Qualifications:** + High School Diploma or GED equivalent + 4+ years of hands-on experience with DoD network, Communications, Electronics Projects in the following disciplines: Systems Requirements, Operational Requirements, Test & Evaluation, and Training + Experience in C4I systems to include but not limited to: Gateway Manager (GWM),Generic Area Limitation Environment (GALE), Global Command and Control System (GCCS), Global Command and Control System-Joint (GCCS-J), Joint After-Action Review - Resource Library (JAAR-RL), Joint Automated Deep Operations Coordination system (JADOCS), Link Monitoring and Management Tool (LMMT),Tactical Data Analysis and Connectivity System (TDACS) and Joint Range Extension (JRE) + Proficient with Microsoft Office Applications (e.g. Word, PowerPoint, Excel, Outlook) + Experience with JIRA and Confluence + Must have an Active IA LVL2 Certification (IE Security+) **Clearance Requirements:** + Must possess an active Secret clearance. **Physical Requirements:** + Must be able to remain in a stationary position 50%. + Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. + Often positions self to maintain computers in the lab, including under the desks and in the server closet. + Frequently communicates with co-workers, management and customers, which may involve delivering presentations. + Must be able to exchange accurate information in these situations. 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.