ManTech seeks a motivated, career and customer-oriented **Sr. IT Project Manager** to join our team in **Stennis, MS** . The Network Operations Security Center (NOSC) Senior IT Project Manager oversees critical IT infrastructure projects, ensuring seamless network operations, cybersecurity enhancements, and system upgrades. They coordinate cross-functional teams, manage project timeline and budgets, and align IT initiatives with mission objectives to enhance national security and operational efficiency. **Responsibilities include but are not limited to:** + Work closely with the PMO team to maintain visibility of all tasks and projects; Provide updates on network, security and cloud operation policies, SOPs, and Best Practices to the PMO team. Identify requirements,manage risks, define scope, objectives, schedule, and deliverables within the network, security and cloud operations environment  + Coordinate and lead project activities and stakeholders to support the project schedule to meet requirements.Create work packages tied to milestones, identify dependencies, and schedule work: Ensure tasks are assigned and completed on time; Track and report on project milestones and deliverables  + Stakeholder Management: Work with stakeholders to prioritize operations tasks and engineering projects; Provide routinely scheduled reports and updates to senior managers on task and project performance  + Vendor Management: Coordination of procurement, installation and maintenance of network, security, and cloud systems, ensuring compliance with project requirements  + Documentation and Reporting: Support the development of briefings and presentations for customers; + Change Management: Manage change requests related to network, security, and cloud operations; + Attend and support change management meetings and briefings. Develop and brief projects as applicable; assess the impact of changes on the project; Utilizing Change Control Boards (CCBs) to manage and control any project-related changes, ensuring effective and efficient project delivery ; ensuring quality checks to adhere to quality standards **Minimum Qualifications:** + 9+ nine years of experience as a Technical Project Manager and a Bachelor's degree in information technology, computer science, finance, business management, or related degree   + A Project Manager Professional (PMP) certification as well as an Information Technology Infrastructure Library (ITIL) certification + Knowledge and experience applying project management best practices using project management tools such as MS Project, JIRA, ServiceNow, MS Excel, and others to track and report project status and details  + Experience on projects involving Agile and DevOps processes  + Experience leading medium to large size project teams  **Preferred Qualifications:** + An advanced degree  + Scrum Master experience + FinOps experience + Experience working with ServiceNow  **Clearance Requirements:** + Must have a current/active Secret clearance with the ability to obtain and maintain a TS/SCI. + The ability to obtain and maintain a DHS EOD suitability is required prior to starting this position. **Physical Requirements:** + Must be able to remain in a stationary position 50% + Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer + The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc. + Ability to lift and carry 50 lbs for distances up to 50 feet. 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.