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General information

Requisition #
R58834
Locations
USA-VA-Chantilly, USA-CO-Denver
Posting Date
03/04/2025
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Unlock the secrets of intelligence with ManTech! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with ManTech!

ManTech seeks a motivated, career and customer-oriented Principal Cyber Support Developer to join our team in Denver, CO or Chantilly, VA. 

Responsibilities include but are not limited to:

  • Write production backend applications

  • Ship and run services in cloud environments, with a focus on AWS

  • Compile and analyze data, processes, and code to troubleshoot problems

  • Identifies and implements best-practice solutions to address client requirements

  • Performs operational support of custom development and 3rd party integrations

  • Performs unit-testing and resolves code defects

  • Assists with technical design and documentation

Minimum Qualifications:

  • Bachelor’s degree or 4+ years of additional software development experience in lieu of degree

  • 7+ years of software development experience

  • Experience with least one scripting language (Ruby, Python, Perl, Bash, JavaScript)

  • Knowledge of Linux operating systems (RHEL/CentOS/Debian) and its fundamentals

  • Possess a current DoD Approved 8570 IAT Level II Certification (e.g. Security+ CE)

Preferred Qualifications:

  • Experience with IaC - Terraform, CloudFormation

  • Experience with Microservice architecture and orchestration - Kubernetes / ECS

  • Experience with Cryptography / PKI - SSL, TLS certificate management

  • Knowledge of Secret / credential management - HashiCorp Vault

  • Knowledge of Access Control Policy / RBAC

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph

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.


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. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.