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Senior Network Engineer
Senior Network Engineer-March 2024
Arlington
Mar 28, 2026
About Senior Network Engineer

  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 International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

  Currently, ManTech is seeking a Senior Network Engineer to be responsible for the design, migration, implementation, enhancement, optimization, and maintenance of infrastructure in support of the Compartmented Enterprise Services Office (CESO) program in Arlington, VA .

  PRIMARY RESPONSIBILITIES:

  Tasks include:

  Provide technical expertise and assist with network integration and consolidation efforts across multiple systems environments.

  Prepare and review technical implementation plans to provide integrated solutions, including actions, milestones, timelines and critical paths required for complete solutions.

  Address and resolve technical problems relating to the installation and upgrade of network hardware and systems.

  Interface with customers, vendors, and other technical staff to analyze business and technical requirements.

  Develop and document technical briefings, engineering standards, standard operating procedures, technical guidance, status reports and present to senior leadership.

  Support the development of network architecture, engineering designs, and changes.

  Assist in evaluating current and emerging technologies - conduct technical assessments and make recommendations.

  Collaborate with key partners in various technologies to de-conflict efforts, identify innovation opportunities, gain efficiency while increasing operability.

  Communicate with customer(s) on matters of significant importance to the organization.

  Effectively complete individual projects and tasks.

  BASIC QUALIFICATIONS:

  BS degree and 12-15 years of prior relevant experience or Masters with 10-13 years of prior relevant experience.

  Candidate must possess an active DOD TS/SCI level security clearance, and be eligible to obtain and maintain a w/CI Poly.

  IAT Level II Baseline Certification (e.g. CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP).

  Ability to translate highly technical matter to non-technical audience.

  Excellent communication skills.

  Technical depth in network services and architecture (WAN/LAN/virtual private network (VPN)).

  Ability to make decision and escalate when needed.

  In-depth experience with security domains and industry best practices; business continuity and disaster recovery, emerging technology.

  Self-starter with ability to work independently or in a team environment with little to no supervision.

  Knowledge in Information Technology Infrastructure Library (ITIL) Foundation

  PREFERRED QUALIFICATIONS:

  Prior experienced with DISA and DISA’s support to mission partners

  TS/SCI w/CI Poly Preferred

  Security Clearance : DOD Top Secret level security clearance, and be eligible to obtain and maintain a TS/SCI CI Poly.

  Work locations : Arlington, VA

  Work hours : Rotating Shift, 40 hrs/week

  Contract: This is a funded 10-yr contract through 2031

  Physical Requirements:

  Must be able to be in a stationary position more than 50% of the timeFor 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.

  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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