Senior Windows Engineer

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

Job summary

MANTECH seeks a Senior Windows Engineer to join our Laurel, MD team, delivering enterprise infrastructure services for a national defense mission.

The role responsibilities include provisioning Windows servers, configuring network and storage, deploying monitoring, and performing root-cause analysis. Requires DoD 8140/8570 IAT II, Top Secret/SCI with Polygraph, and extensive AD/GPO, VMware, and automation experience.

Qualifications

• Bachelor’s degree and 14+ years of relevant experience, or 19+ years with a High School Diploma/GED.
• Experience with Active Directory and Group Policy Object (GPO) Administration to enforce security baselines and manage domain environments.
• Experience with automation tools such as SaltStack to automate deployment and maintain configuration state across infrastructure.
• Experience administering VMware environments to host, manage, and scale high-availability virtual machines and private clouds.
• Experience implementing and maintaining Privileged Access Management (PAM) tools.
• Experience managing virtual desktop infrastructure using tools such as Omnissa Horizon (formerly VMware Horizon) for VDI delivery.
• DoD 8140/8570 IAT Level II certification (e.g., Security+ CE, CySA+, CCNA-Security, GSEC, CND, or SSCP).

Responsibilities

• Provision, manage, and maintain Windows servers across online and air-gapped environments.
• Configure network adapters, storage, firewalls, and connected core enterprise services.
• Deploy monitoring tools to detect system anomalies and proactively prevent service disruptions.
• Perform root cause analysis on outages and implement lasting preventive engineering fixes.
• Support hardware, software, and appliance deployments, OS upgrades, and security patching.
• Translate complex user requirements and system architectures into actionable technical specifications.
• Deliver Tier 1–3 escalation support for client, server, and network issues while administering user accounts.

Skills

PowerShell

AD & GPO administration

Automation (SaltStack)

VMware admin

PAM tools

VDI (Horizon)

IAT II certification

Education

Bachelor’s degree

High School Diploma/GED

Tools

SaltStack

VMware

Omnissa Horizon

Job description

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

You will become an integral part of a diverse team delivering enterprise infrastructure capabilities for a global workforce in defense of our Nation. This role supports the Enterprise Infrastructure Services organization overseeing the customer's backbone Enterprise Information Technology (EIT) platform, collaborating with Integrated Product Teams and vendors to deploy, manage, and scale critical compute and data center services.

Responsibilities Include But Are Not Limited To

• Provision, manage, and maintain Windows servers across online and air-gapped environments.
• Configure network adapters, storage, firewalls, and connected core enterprise services.
• Deploy monitoring tools to detect system anomalies and proactively prevent service disruptions.
• Perform root cause analysis on outages and implement lasting preventive engineering fixes.
• Support hardware, software, and appliance deployments, OS upgrades, and security patching.
• Translate complex user requirements and system architectures into actionable technical specifications.
• Deliver Tier 1–3 escalation support for client, server, and network issues while administering user accounts.

Minimum Qualifications

• Bachelor’s degree and fourteen (14) years of relevant experience, or nineteen (19) years of relevant experience with a High School Diploma/GED.
• Experience with Active Directory and Group Policy Object (GPO) Administration to enforce security baselines and manage domain environments.
• Experience with automation tools such as SaltStack to automate deployment and maintain configuration state across infrastructure.
• Experience administering VMware environments to host, manage, and scale high-availability virtual machines and private clouds.
• Experience implementing and maintaining Privileged Access Management (PAM) tools
• Experience managing virtual desktop infrastructure using tools such as Omnissa Horizon (formerly VMware Horizon) for VDI delivery.
• DoD 8140/8570 IAT Level II certification (e.g., Security+ CE, CySA+, CCNA-Security, GSEC, CND, or SSCP).

Preferred Qualifications

• Experience with PowerShell scripting for advanced task automation and systems administration.
• Experience managing secure computing environments to adhere to DISA STIGs and NIST 800-53 security controls.
• Experience with Ansible configuration management and orchestration tools.
• Experience with Linux and Red Hat Enterprise Linux (RHEL) operating system environments.

Clearance Requirements

• Active Top Secret/SCI with Polygraph

Physical Requirements

• Must be able to remain in a stationary position 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, and server equipment.
• Frequently communicates with co-workers, management, and customers, and must be able to exchange accurate information in these situations