ManTech Systems Engineer II in Stafford, Virginia

ManTech is seeking a motivated, career and customer oriented Systems Engineer to join our team in Stafford VA to provide unparalleled support to our customer and to begin an exciting and rewarding career within ManTech. The Systems Engineer will perform technical planning, proof of concept, system integration, verification and validation, risk, supportability and effectiveness analysis for total systems.

This position requires an active DOD TS/SCI security clearance.

Candidate must be 8570 IAT Level II compliant and have at least a COMPTIA Security+ certification.


Should have a minimum of seven (7) years (with a Bachelor s Degree) relevant software/systems experience. This experience should show increasing responsibility in development or maintenance of software and/or information networks.

Knowledge of DoD 5000, virtualization and cloud technologies, CMMI, and ISO 9000.

Also have at least two (2) years experience with at least three (3) of the following:

· Requirements definition

· Modular testing

· Formulating design methodology

· Documentation origination

· Systems integration and testing to verify required performance

· Assessment of change proposals for technical merit

· Database design and development (i.e. Postgres, SQL, Mongo DB)

Responsibilities include but not limited to:

  • System integration for systems using Windows 10, Windows server 2012 R2/2016 and Linux type operating systems. Other technologies to include Hyper-V, ArcGIS, Geospatial applications, and directory services, i.e. Active Directory or LDAP.

  • Identifying system integrity issues and solutions for the full system life cycle from concept to disposal.

  • Ensuring designs are compatible with the architecture and allocates requirements to segments.

  • Working with customer regarding systems engineering technical considerations for associated problems, issues, or conflicts.

  • Application of system life cycle, agile development, and software technologies currently used in DOD/IC enterprise.

  • Creating scripts using PowerShell.

  • Analyzing user requirements, procedures, and problems to automate or improve existing systems and review computer system capabilities, workflow, and scheduling limitations.

  • Performing system definition, preliminary and detailed design, design implementation, integration of system.

  • Testing, maintaining, and monitoring computer programs and systems, including coordinating the installation of computer programs and systems.

  • Preparing required documentation, including both program-level and user-level documentation.

  • Assisting in establishing standards for information systems procedures.

  • Some travel possible.


Requires Bachelors degree (in Computer Science or related field) or equivalent, and five to seven years of related experience.


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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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