MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team in Chantilly, VA This is an onsite position.
Responsibilities include but are not limited to:
Provide Tier III IT Systems support across enterprise technologies, including VMware vCenter, Horizon View, Site Recovery Manager, HP Blade Servers, HP SANs, HPAC Secure Printing, Active Directory, Group Policies, Certificate Services, DHCP, DNS, and Microsoft Windows Operating Systems.
Diagnose and resolve complex performance, security, and technical challenges across supported infrastructure platforms.
Perform requirements analysis, gathering, and integration for core system platforms while collaborating on project teams to package and deploy production releases.
Author Standard Operating Procedures (SOPs) for repetitive tasks and participate in ITIL Service Lifecycle processes, including submitting Change Requests.
Investigate and resolve operational issues in coordination with technical personnel, while providing mentorship and guidance to junior Systems Engineers.
Support system maintenance and unplanned service outages after normal duty hours (nights and weekends) on occasion.
Perform up to 10% local travel within the DC Metro area as required by program requirements.
Minimum Qualifications:
Bachelor’s degree and 5+ years of systems engineering experience, or an Associates degree with 8 years of systems engineering experience, or a High School diploma with 11 years of systems engineering experience can be substituted for a bachelor’s degree
DoD 8570 IAT Level II Certification, ex., Security+
IAT Level III certification ex. SecurityX, CASP+ required within 6 months of hire
DoD 8570 Computing Environment Certification required within 6 months of hire, ex., MCSA, VCP, or equivalent
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; basic networking including DHCP/TCPIP
Experience with Microsoft Windows Systems, HP SANs, or VMware products
Preferred Qualifications:
Microsoft Windows systems experience including DNS, Group Policy, and PKI; deploying workstation images and Thin/Zero clients; and Administering vSphere, Horizon View, data backup, and antivirus software
Experience applying security best practices from DISA and/or vendors
Experience using a Service Desk ticketing system, such as Remedy or ServiceNow
ITIL Foundations certification
Scripting experience
Clearance Requirements:
Must have a current or active TS/SCI and be willing and able to obtain a polygraph
Physical Requirements:
The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

MANTECH is more than a technology company. We are a company dedicated to service, and we consider our work a part of the public trust. The people of MANTECH are privileged to work for the security of the United States, the welfare of our service members and veterans, the protection of our communities, and the cause of better health care.
We have served the nation for more than 57 years, and in that time we have continually changed and grown to provide the technology that government needs to meet new challenges. We seek people with the same strong ethic of service, creativity, energy, and dedication to serving our country.
We are comprised of more than 9,800 talented employees around the world. Nearly 40% of our employees are veterans. Many others come from the Intelligence Community, Homeland Security and federal civilian agencies. We understand our customers’ challenges because we know their world firsthand.
When Federal managers and military leaders face tough challenges in cyber, data collection & analysis, enterprise IT or systems and software engineering, they turn to MANTECH to get the job done right. These professionals trust MANTECH and stay with us for years because we understand their needs and tackle their most complex challenges head on. They know that reaching their goal is our ultimate objective.