MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team for the DOE NNSA PRI contract in Washington DC. This role offers the opportunity to contribute to critical national security efforts within a leading organization. This is an onsite position.Responsibilities include, but are not limited to:Perform full incident lifecycle from escalation to resolution and problem management; prepares and delivers presentations to colleagues, subordinates, and government representatives.Assures the proper use of current or requested testing and documentation techniques; produces, reviews substantive and complex documentation reflecting detailed knowledge of areas as identified in the statement of work.Triage, collect troubleshooting information, apply known solutions; create, direct, and resolve requestsPerform routine system operations such as health checks, administer backup and restores, execute configuration changesConduct system analysis and provide input to Microsoft engineering continuous improvement process.Participate in prime & customer change control / engineering management processes; document changes to all systems; coordinate and complete deployments and upgrades with Azure Engineering and the customer.Develop automation for most common tasks; maintain pre-production and production environments and associated code repository.Minimum Qualifications:Bachelors degree in Cybersecurity, Computer Science, Information Technology, or a related field and 15 years of related experience; or Masters Degree in Cybersecurity, Computer Science, Information Technology, or a related field and 12 years of related experience.IAT Level 2 certification(s)Experience with Sentris and MS Windows Based Applications in Mid-to-Large Environments; experience with Active Directory Domain ServicesExchange 2019, SharePoint Server 2019, SQL Server 2019, Skype for Business 2019Experience managing a schedule and communicating scheduling requirements to management, multi-tasking/ prioritizing responsibilities and responding rapidly to changing conditions in a fast-paced environmentExcellent communication skills, with the ability to convey technical information to diverse audiences.Ability to successfully pass Pre-Employment Drug ScreeningClearance Requirements:Must have a current/active TS/SCI security clearance with eligibility for SAP.Periodic Review within 5 years or enrolled in Continuous Evaluation.Physical Requirements:Must be able to remain in a stationary position up to 75% of the timeMust be able to move about inside the office to access file cabinets, office machineryThe person in this position frequently communicates with co-workers, management, andcustomers, which may involve delivering presentations.Must be able to exchange accurate information in these situations