Senior Windows Engineer

MANTECH; Laurel (MD); On-site; USD 120,000 - 160,000; Full time

Job summary

MANTECH in Laurel, MD is seeking a Senior Windows Engineer to join a diverse team delivering enterprise infrastructure for a national defense mission. This on-site role requires a TS/SCI with Polygraph clearance.

Responsibilities include provisioning Windows servers, configuring networks and storage, deploying monitoring tools, performing root cause analysis, patching, and providing Tier 1–3 support. Preferred skills include PowerShell, SaltStack, VMware Horizon, and Centrify PAM to meet

Qualifications

• Bachelor’s degree with 12 years of relevant experience, or equivalent.
• Active CompTIA Security+ certification.
• Experience with Active Directory & GPO Administration.
• Experience with SaltStack for infrastructure automation.
• Experience with VMware virtualization and Horizon VDI deployments.
• Experience with Privileged Access Management (PAM) such as Centrify.

Responsibilities

• Provision, manage, and support Windows servers across networks.
• Configure network adapters, storage, firewalls, and core services.
• Deploy monitoring tools to detect system issues and prevent outages.
• Perform root cause analysis on outages and implement fixes.
• Support hardware, software, and appliance deployments, upgrades, and patching.
• Translate user requirements into technical specifications.
• Provide Tier 1–3 help desk support for client, server, and network issues.
• Manage OS patching, hardware maintenance, and account administration.

Skills

Active Directory

PowerShell

VMware Horizon

SaltStack

Centrify PAM

Troubleshooting

Security+

Education

Bachelor’s degree

CompTIA Security+ certification

High School Diploma

Tools

SaltStack

VMware Horizon

Job description

MANTECH is seeking a motivated, career and customer-oriented Senior Windows Engineer, to join our team in Laurel, MD.

Become an integral part of a diverse team that delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. It is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.

Responsibilities include but are not limited to:

• Provision, manage, and support Windows servers across online and air-gapped networks.
• Configure network adapters, storage, firewalls, and connected core services.
• Deploy monitoring tools to detect system anomalies and prevent service disruptions.
• Perform root cause analysis on outages and implement preventive fixes.
• Support hardware, software, and appliance deployments, upgrades, and security patching.
• Translate user requirements and system architectures into technical specifications.
• Provide Tier 1–3 help desk support for client, server, and network issues.
• Manage OS patching, hardware maintenance, and account administration (passwords/tickets).

Schedule:

• Core hours are 1000-1400 Monday-Friday to ensure overlap with the team, attendance is expected outside of this window as needed to support meetings, deployments, and team activities.
• The system administration team is expected to have on-site coverage 0600-1800 Monday-Friday and schedules will be coordinated with other members of the team to ensure this coverage.

Minimum Qualifications

• Bachelor’s degree and 12 years of relevant experience, associate’s degree and 15 years of relevant experience, or High School Diploma and 20 years of relevant experience.
• Active CompTIA Security+ certification.
• Experience with Active Directory & GPO Administration
• Experience with tools such as SaltStack for Infrastructure Automation
• Experience with VMware virtualization and VDI deployments utilizing Omnissa Horizon (formerly VMware Horizon)
• Experience with Privileged Access Management (PAM): Implement and maintain tools such as Centrify to enforce security controls and meet compliance standards.

Preferred Technical Qualifications:

• Experience with PowerShell for task automation and configuration management
• Experience managing secure computing environments to adhere with DISA STIGs and NIST 800-53 controls.
• Experience with Ansible (environment is currently utilizing SALT but will transition to Ansible in the future)
• Experience with Linux and RedHat

Clearance Requirement:

• Must have a TS/SCI with Polygraph