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Network Information Assurance Engineer III
Network Information Assurance Engineer III-March 2024
Stafford
Mar 28, 2026
About Network Information Assurance Engineer III

  Secure our Nation, Ignite your Future

  Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech , you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

  Currently ManTech is seeking a Network Information Assurance Engineer III to join our team supporting our growing Defense Sector and Marine Corps programs. 

  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.

  Responsibilities include but are not limited to:

  Review and evaluate System Security Plans (SSPs), System Security Authorization Agreements (SSAAs), systems and networks diagrams, Security Requirements Traceability Matrices (SRTMs), Risk Assessments, and associated Information Systems (IS)

  Recommends cybersecurity software tools and assists in the development of software tool requirements and selection criteria to include the development of product specific STIGs from applicable DISA SRGs

  Certification and Accreditation (C&*A) documents in accordance with Department of Defense (DoD), Intelligence Community (IC), National and Agency standards.

  Observe, evaluate, and document IS security certification testing and prepare Security Certification Test Reports (SCTRs) with findings and recommendations regarding systems; Approval To Operate (ATO).

  Inspect systems, networks, sites for compliance to InfoSec standards and policies.

  Producing progress reports, preparing various forms of correspondence concerning deficiencies and statuses of SSPs/SSAAs, maintaining, and reporting statistics on personal C&A efforts. Knowledge of DoD, IC, and National Security Policies, Regulations, Directives, and Instructions.

  Contributes to the development of new principles, concepts, and methodologies.

  Works on unusually complex technical problems and provides highly innovative and ingenious solutions.

  Thinks independently and demonstrates exceptional written and oral communications skills. Applies advanced technical principles, theories, and concepts.

  May provide consultation on complex projects and is the top-level contributor/specialist.

  Leads technical teams in implementation of predetermined long-range goals and objectives.

  Experience

  12+ years of experience required.Education

  Bachelor’s degree in Engineering, Computer Science, or another STEM field. Master’s degree in STEM field preferred.Certification:

  Cisco Certified Network Professional (CCNP)Security Clearance:

  Current Top-Secret Clearance with SCISedentary:

  The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

  The person in this position needs to occasionally move about inside the office.

  The person in this position will need to be able to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

  For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

  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 Wartime 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.

  If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click [email protected] and provide your name and contact information.

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