Chief Security Engineer

Where applicable, confirmation that you meet customer requirements for facility access which may include proof of vaccination and/or attestation and testing, unless an accommodation has been approved.

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

We take National Security seriously. We focus on strategic and unified work to strengthen the security, resiliency, and workforce of the cyber ecosphere. This is your opportunity to join a team that is making an impact on protecting National interests including state, local, tribal, and territorial Governments, and critical infrastructure.


Currently, ManTech is seeking a motivated, mission and customer-oriented Chief Security Engineer to join our team in the Washington D.C. Metropolitan area—hybrid/virtual.


Responsibilities include but are not limited to:

  • Provide senior level cyber-security engineering services and technical leadership of engineering team and executes security engineering activities during the analysis, design, development, and sustainment phases
  • Interfaces with the government as the lead for designing security related capabilities for each project
  • Analyze the security of the pipelines, applications, and services to achieve release and deployment and provides integration and implementation of security solutions and security features for system architectures
  • Defines holistic cloud security strategy and implement cloud orchestration tools and solutions to meet cloud security architecture requirements, policies, and procedures
  • Implements, maintains, and improves existing industry best practices of NIST security controls such as identity and access management, IDS/IPS, log analytics, encryption and data security
  • Resolves and mitigates vulnerabilities, design security functions, and provides evidence-based reasoning to substantiate claims for trustworthy and secure work products
  • Responsible for security engineering activities during the analysis, design, development, and sustainment phases that meet the security requirements
  • Ensure that security solutions are consistent with the National Cybersecurity Protection System (NCPS) Security Architecture
  • Designs, develops, builds and deploys highly scalable, fault-tolerant, elastic and secure cloud based and distributed services with a variety of cloud-based architectures (public, private and hybrid)
  • SME in managing and implementing cyber security and digital risk management solutions (examples: ForeScout and RSA) to accomplish feature deployment, security policy implementation, multi-factor authentication
  • Ensure access control enforcement, activity monitoring, configuration tuning, and system administration


Required Qualifications:

  • A minimum of (15) fifteen years of Computer Engineering experience or relevant experience
  • Experience implementing enterprise cybersecurity tools, processes, and best practices
  • Extensive experience with DoD Security Technical Implementation Guide (STIG) implementation and related documentation
  • Experience with network cyber defense tools and technologies
  • Possess technical experience in mitigating and/or remediating vulnerabilities
  • Able to provide outputs needed to support Risk Management Framework (RMF) such as technical mitigation documents
  • A Bachelor’s degree
  • One or more technical security certifications:
  • ISC2 – Certified Cloud Security Professional (CCSP)
  • ISC2 – Certified Information Systems Security Professional (CISSP)
  • ISC2 – Certified Secure Software Lifecycle Professional (CSSLP)
  • ISACA – Certified Information Security Manager (ISSM)
  • SANS – Global Information Assurance Certification (GIAC) Cloud Security Essentials

Preferred Qualifications:

  • A minimum of (20) years of experience
  • Working knowledge of root causes of malware infections and proactive mitigation
  • Experience and knowledge of packet flow, TCP/UDP traffic, firewall technologies, IDS technologies, proxy technologies, and antivirus, spam and spyware solutions
  • Knowledge of typical behaviors of both malware and threat actors and how common protocols and applications work at the network level, including DNS, HTTP, and SMB
  •  A Master’s degree

Clearance Requirements:

  • Top Secret w/SCI


Physical Requirements:

  • Must be able to be in a stationary position more than 50% of the time
  • Must be able to communicate, converse, and exchange information with peers and senior personnel
  • Constantly operates a computer and other office productivity machinery, such as a computer
  • 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 to access file cabinets, office machinery, etc.


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.

Job ID : R27887

More Information

Apply for this job

Leave your thoughts

Share this job