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

Currently, ManTech is seeking a motivated, career and customer-oriented Senior Network Engineer to join our team to join our team in the DMV area.

We have opportunities in the Washington, DC area as well as Northern Virginia and Maryland . If you are looking for an opportunity in any of those locations, we encourage you to apply.

Responsibilities include but are not limited to :

Leads the planning, design, and maintenance of connectivity for enterprise network assets to ensure compliance and secure operations on both unclassified and classified networks (SIPR, NIPR, JWICS).

Collaborates with stakeholders to address connectivity requirements and implement necessary configurations to facilitate efficient and secure data transmission, ensuring all network switches and routers are operational, properly configured, and compliant with customer security requirements (e.g., DISA STIG).

Ensures regular maintenance, updates, and troubleshooting of network switches to ensure optimal performance.

Configures, maintains, and monitors firewall, intrusion protection, and intrusion detection systems for network access control and authentication in accordance with ATO requirements, cybersecurity policies, and standards.

Implements the necessary security measures to protect specialized systems and networks from unauthorized access and cyber threats and supports the planning and implementation of enterprise service connections among networks, systems, and applications across domains.

Facilitates connections for auditing, authentication, secure cloud computing architecture (SCCA), and Cross Domain Solutions and Guards, ensuring compliance with relevant regulations and standards.

Collaborates with ISSOs and the Cyber Services Lead in the Risk Management Framework (RMF) process; Works with other IIC members / teams to determine root cause and develop reports for stakeholder consumption.

Mentors and trains junior staff in methods and processes for effective resolution, tuning and system optimization, alert definitions, appropriate actions, and other routine engineering activities.

Basic Qualifications :

Minimum of nine (9) years of relevant experience.

Bachelor’s Degree in IT-related field

Four (4) years of additional experience is required with a High School diploma; two (2) years of additional experience is required with an Associate’s degree

A Master’s degree may be considered in lieu of two (2) years of experience; a Ph.D. can be considered in lieu of four (4) years of experience

Five (5) years of position-specific experience

IAT Level-II Certification within 6 months of commencing work.

Preferred Qualifications :

Relevant industry standard certifications such as Comptia Network+, Cisco / Juniper, or AWS Advanced Networking.

Clearance Requirements :

Must possess an active TOP SECRET clearance

Physical Requirements :

The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

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 as a result of your disability.

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