ManTech Windows / Linux Infrastructure SME in Quantico, Virginia

ManTech International Corporation provides innovative engineering and systems integration services that help our customers solve their toughest, most intractable problems. National defense and homeland security clients depend on our rapid, cost-effective development of adaptable, interoperable, integrated solutions that provide high performance in quick-response scenarios.

We are looking for Windows / Linux Infrastructure SME for the engineering, design, implementation, configuration, and maintenance of Windows and Linux server infrastructure and VMware vSphere environment, as well as familiarity with supporting the development and maintenance of a development, test, and evaluation environment and the framework and services that will be used to create a standardized development kit for application developers to build to.

This position requires and ACTIVE TS/SCI Clearance.

General Responsibilities:

  • Design and implement architectures for creating and provisioning a hyper-converged cloud-based architecture with physical and virtual secure servers of multi-tiered HA/Clustered applications and databases using VMWare (ESXi, vCenter), Windows (2012 R2, 2016, 10), and RHEL

  • Design and implement virtual servers and create a management plan for managing them through VMware vCenter and vRealize Automation (VRA)

  • Implement Group Policy Objects (GPO), DISA STIGs, ePO and ACAS implementations and continuous monitoring

  • Support design and implement backup/disaster recovery solutions

  • Perform task automation through the creation of scripts using languages such as Python, Powershell, etc.

  • Support the installation, integration, and management of application development, test, and evaluation environment tools and services such as web service registries using OpenStack, Hyper-V, and/or ESXi infrastructure

  • Create Rack Elevation, Network, Power, and other Technical Data Package artifacts

  • Produce clear and concise documents and diagrams capturing networking and operational procedures and LAN/WAN topology

  • Provide technical support, troubleshooting, and complex problem resolution

  • Remain abreast of technology advancements for future software and hardware implementations

  • Install, configure, and maintain computer and network operating system and application software

Mandatory Skills Requirements:

  • Bachelor s Degree (+12 years experience), Associate s Degree (+15 years experience), or High School Diploma (+17 years experience).

  • 8570 IAT Level I certification

Working experience in the following:

  • -Configuring and deploying Microsoft Windows servers using Windows Deployment Services or VMware templates

  • -Virtualized server administration (VMware, Hyper-V/Windows 2016)

  • -Security administration (group policy and permissions; vulnerability scans, audits, and mitigations; patch management

  • -Implementing and supporting enterprise system monitoring tools

  • -Performing system hardening through STIG review, GPO, and scripts

  • -Disaster recovery

  • -Troubleshooting OS and applications

  • -Windows scripting language (PowerShell or VBScript)

  • Experience in at least four (4) of the following:

  • -Set-up, configuration and support of internal and external networks

  • -Identifying and analyzing systems requirements

  • -Developing and maintaining system applications and security

  • -Developing and maintaining network configurations.

  • -Troubleshooting network performances issues

  • -Providing user support and guidance

  • -Recommending and implementing upgrades, patches, new applications and new equipment

  • -Developing and maintaining disaster recovery place

  • -Ensuring proper documentation, coordination and maintenance of multiple systems

  • EOE/M/F/D/V


Requires Bachelor s degree (in Engineering, Computer Science or related field) or equivalent, and seven to nine years of related experience.


Equivalent Experience/Education, Bachelor's Degree

Years of Experience

13-15 years w/High School Diploma, 07-09 years w/Bachelors Degree, 04-06 years w/Masters Degree

Position Type





ManTech International Corporation is comprised of approximately 7,300 talented employees who use advanced technology to help government and industry meet some of their greatest challenges around the world. We adhere to the simple, no-nonsense values on which ManTech was founded more than four decades ago, aligning squarely with the mission objectives of our customers. As our customer base continues to expand and diversify, we continue to diversify our workforce and solutions. Nearly half our employees have a military background, and approximately 70 percent hold a government security clearance. As a leading provider of innovative technology services and solutions for the nation's defense, security, health, space, and intelligence communities; we hold nearly 1,100 active contracts with more than 50 different government agencies.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Waretime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law. If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

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