
Senior Systems Engineer
Remote · USJobSeen todaySeen in employer's feed today
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
ManTech seeks a motivated, customer-oriented Senior Systems Engineer for a remote position providing Tier III support across enterprise infrastructure. The engineer will resolve complex platform issues, support requirements analysis and production releases, participate in ITIL processes, and mentor junior engineers. The role requires a qualifying degree-and-experience path, IAT Level III certification, a DoD 8570 computing environment certification within six months, and an active TS/SCI clearance.
Skills & qualifications
Skills
Qualifications
Full job description
MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team. This is a remote position.
Responsibilities include but are not limited to:
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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.
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Diagnose and resolve complex performance, security, and technical challenges across supported infrastructure platforms.
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Perform requirements analysis, gathering, and integration for core system platforms while collaborating on project teams to package and deploy production releases.
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Author Standard Operating Procedures (SOPs) for repetitive tasks and participate in ITIL Service Lifecycle processes, including submitting Change Requests.
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Investigate and resolve operational issues in coordination with technical personnel, while providing mentorship and guidance to junior Systems Engineers.
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Support system maintenance and unplanned service outages after normal duty hours (nights and weekends) on occasion.
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Perform up to 10% travel as required by program requirements.
Minimum Qualifications:
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Bachelor’s degree and 5+ years of IT experience, or an Associate’s degree with 8 years of IT experience, or a High School diploma with 10+ years of IT experience can be substituted for a bachelor’s degree
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IAT Level III certification required, ex., SecurityX
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DoD 8570 Computing Environment Certification required within 6 months of hire, ex., MCSA, VCP, or equivalent
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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
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Experience with Microsoft Windows Systems, HP SANs, or VMware products
Preferred Qualifications:
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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
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Experience applying security best practices from DISA and/or vendors
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Experience using a Service Desk ticketing system, such as Remedy or ServiceNow
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ITIL Foundations certification
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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 International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [email protected] and provide your name and contact information.
How this job compares
Set against the 11,502 open Systems Engineer jobs on Olive Jobs, counted November 4, 2026.
- Pay
- This postingNot listed
- US median$116–190K/yr8,484 salary ranges
- US median$56–70/hr446 hourly ranges
- Openings
- Olive Jobs lists 11,502 open Systems Engineer jobs across the US. 5% of them nationwide are listed as remote or flexible.
- Hiring the most across the US
- Northrop Grumman743 open
- Oracle549 open
- Serco536 open
- Experience
- This posting asks for at least 5 years of experience; Systems Engineer postings that state a minimum ask for 5 years at the median (9,604 postings).
- Education
- 4,559 of the 11,502 open Systems Engineer jobs (40%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 4, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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