Lead Systems Engineer | DoD IT Infra & Security

MANTECH; Chantilly (VA); On-site; USD 120,000 - 170,000; Full time

Job summary

MANTECH in Chantilly, VA seeks a Lead Systems Engineer to provide Tier III IT systems support for a DoD-oriented environment onsite. You will lead a team of engineers, author SOPs, and drive ITIL processes while maintaining AD, Exchange, SQL, DNS, and vSphere environments.

The role requires strong leadership, DoD-style certification readiness, and hands-on management of Windows servers, VMware, and security best practices. Occasional travel up to 10% may be required.

Qualifications

• Bachelor's degree and 9+ years of IT or related experience.
• Demonstrated leadership experience including supervision of staff and accountability for team deliverables.
• DoD 8570 IAT Level III/8140 level expert Certification (Security+, CASP+, CISSP) preferred; DoD 8570 computing environment cert within 6 months (AZ-802, VCP, or equivalent).

Responsibilities

• Provide Tier III IT Systems support on Microsoft Server, Exchange, SQL, IIS, DNS, AD, Group Policies, and related technologies.
• Diagnose and resolve performance, security, and interoperability challenges across platforms.
• Write Standard Operating Procedures (SOPs) for recurring tasks and improvements.
• Lead a team of Systems Engineers, providing direction and mentorship.
• Participate in ITIL Service Lifecycle processes, including Change Requests.
• Assist in requirements analysis and integration for listed platforms.
• Travel up to 10% as needed.
• Collaborate with other teams on production IT environments.

Skills

Leadership

ITIL familiarity

DoD 8570 IAT Level III/8140

Microsoft Windows systems

VMware vCenter / Horizon View

Active Directory / DNS / DHCP / PKI

Exchange administration

Team mentoring / supervision

Network basics (TCP/IP)

Scripting experience

Education

Bachelor's degree

Tools

VMware vCenter

Horizon View

HP SANs

Windows Server administration tools

Job description

MANTECH in Chantilly, VA seeks a Lead Systems Engineer to provide Tier III IT systems support for a DoD-oriented environment onsite. You will lead a team of engineers, author SOPs, and drive ITIL processes while maintaining AD, Exchange, SQL, DNS, and vSphere environments.

The role requires strong leadership, DoD-style certification readiness, and hands-on management of Windows servers, VMware, and security best practices. Occasional travel up to 10% may be required.