**ManTech** seeks a motivated, career and customer-oriented **Staff Systems Engineer** to join our team in **Chantilly, VA.** This is an **onsite** position. **Responsibilities include but are not limited to:** + Providing Tier I & II IT Systems support on a wide range of technologies, including: VMware vCenter, Horizon View, Site Recovery Manager, HPAC Secure Printing, HP Blade Servers, HP SANs, Certificate Services, DHCP, DNS, Active Directory, Group Policies and Microsoft Windows Operating Systems + Diagnosing and resolving the performance, security, and/or technical challenges related to the platforms listed above + Writing Standard Operating Procedures (SOPs) to accomplish repetitive tasks + Participating in processes throughout all phases of the ITIL Service Lifecycle, including submitting Change Requests + Performing requirements analysis, requirements gathering, and integration for all platforms listed above + Investigating and resolving operational problems in conjunction with other engineering and technical personnel + Working on project teams responsible for engineering and packaging releases to integrate within the customer’s production IT environment + Up to 10% local travel **Minimum Qualifications:** + Bachelor’s degree and 2+ years of related experience; an additional 4 years systems engineer experience may be substituted for a degree + DoD 8570 IAT Level II Certification required + Experience with Microsoft Windows 2008/2012/2016/2019 Servers; Microsoft Windows 10; administering Microsoft Exchange, Active Directory, and workstation and server hardware; administering Microsoft Office 2010/2016; administering DNS, Group Policy, and PKI; administering vSphere, Horizon View, data backup, and antivirus software; basic networking including DHCP/TCPIP; experience with deploying workstation images; and experience with thin and/or zero clients + Knowledge of Microsoft Windows Systems, HP SANs, VMware products **Preferred Qualifications:** + Good working knowledge of Microsoft Windows systems, including DNS, Group Policy, and PKI + Good working knowledge of applying security best practices from DISA and/or vendors. + Experience using a Service Desk ticketing system, such as Remedy or ServiceNow + Scripting experience or willingness to learn **Clearance Requirements:** + US Citizenship and active TS clearance adjudicated within the last 6 years + Candidate must be open to Poly if selected by the customer **Physical Requirements:** + Must be able to remain in a stationary position 50%. + The person in this position 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.