
Senior Systems Engineer
Dallas, TXJobSeen 1 day agoMay have closed — not in the employer's listings (checked today)
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
ManTech seeks a Senior Systems Engineer to provide Tier III support across enterprise infrastructure in an onsite Dallas role. The engineer will troubleshoot complex platform issues, support requirements analysis and production releases, document procedures, participate in ITIL service processes, and mentor junior engineers. The position includes occasional after-hours maintenance and up to 10% local travel within the DC Metro area.
Skills & qualifications
Skills
Qualifications
Full job description
MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team in Dallas, TX . This is an onsite 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% local travel within the DC Metro area as required by program requirements.
Minimum Qualifications:
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Bachelor’s degree and 5+ years of systems engineering experience, or an Associate’s degree with 8 years of systems engineering experience, or a High School diploma with 10+ years of systems engineering experience can be substituted for a bachelor’s degree
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DoD 8570 IAT Level II Certification, ex., Security+ IAT Level III certification ex. SecurityX, CASP+ required within 6 months of hire
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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 10,973 open Systems Engineer jobs on Olive Jobs, counted October 29, 2026.
- Pay
- This postingNot listed
- Texas median$108–179K/yr280 salary ranges
- US median$60–70/hr402 hourly ranges
- Openings
- Olive Jobs lists 566 open Systems Engineer jobs in Texas and 10,973 across the US. 4% of them nationwide are listed as remote or flexible.
- Hiring the most in Texas
- Lockheed Martin57 open
- RTX Corporation36 open
- Serco32 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 (9,115 postings).
- Education
- 4,704 of the 10,973 open Systems Engineer jobs (43%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on October 29, 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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