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Cyber Security Engineer, Expert
ManTech International Corporation Chantilly, VA

Cyber Security Engineer, Expert

ManTech International Corporation
Chantilly, VA
Expired: March 14, 2024 Applications are no longer accepted.
  • Full-Time
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.

You will be responsible for expanding network architecture of various vendor network devices, such as routers, switches, load balancers and firewalls. Work closely with teams of engineers to implement and maintain the complex architecture.

Currently, ManTech is seeking a motivated, career and customer-oriented Expert Cyber Security Engineer to join our team in the Chantilly, VA, area.

Responsibilities include, but are not limited to:
  • Engineer, design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to migrate, deploy, improve, and maintain C2C services. Comply-to-Connect support is comprised of managing and maintaining the appliances, applications, servers, and supporting infrastructure on unclassified and classified environments.
  • Coordinate with the network service provider to develop and maintain network architecture diagrams
  • Evaluate and recommend changes and/or technology upgrades to address performance, standardization, and industry best practices
  • Monitor and investigate C2C performance and faults and recommend improvements.
  • Interacts with other team members and customers at multiple levels to gather, supply, or coordinate information
  • Good communication and customer service skills are needed along with ability to coordinate effectively with individuals from multiple levels and across multiple teams
  • Supports Assessment and Authorization activities related to cybersecurity technologies, where applicable

Basic Qualifications:
  • 10+ years of professional, technical experience
  • Expertise in technologies involved in large scale enterprise deployments/data centers
  • Experience in deploying and/or supporting enterprise security software products such as firewalls, IPS, Anti-Virus solutions, application firewalls, high availability solutions, network management systems, virtual systems
  • Experience with tools such as Nmap, Nessus, and tcpdump
  • Experience implementing and using complicated software products that involve multiple components
  • Ability to clearly document complicated steps and procedures
  • Working knowledge of shell, perl and xml scripting
  • Experience with vendor agnostic C2C capabilities and services, open-source components and trends, DoD integration and networks, and DoD engineering and sustainment procedures and processes to deliver real time C2C enterprise-level expertise to the customer base a plus
  • Cisco Identity Services Engine (ISE) experience desired, not required
  • A solid understanding of Windows and Linux systems, general operating system security practices, TCP/IP networking, 802.1x and network security concepts is required
  • Ability to thrive in a dynamic, agile, and nimble environment
  • Bachelor's Degree or HS diploma or GED with 4+ additional years of experience
  • Must have or be willing to obtain IAT Level II or higher certification within 6 months of hire

Security Clearance Requirements:
  • Must possess an active TS/SCI w/ Polygraph

Physical Requirements:
  • Must be able to remain in a stationary position 75% of the time
  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer
  • 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
  • Must be able to detect information on a computer screen


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. To request an accommodation please click and provide your name and contact information.


ManTech International Corporation

Chantilly, VA
20153 USA



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