> Markdown version of [/jobs/ext/4597137-senior-devops-developer](https://www.wearedevelopers.com/jobs/ext/4597137-senior-devops-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior DevOps Developer - **Company:** Mantech International Corporation - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Agile Methodology, Unit Testing, Bash Shell, Cyber Security, Custom Software, Data Migration, DevOps, Perl (Programming Language), Python (Programming Language), Ruby, Software Engineering, Scripting, Information Technology, Servicenow - **Published:** November 6, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9189073/senior-devops-developer ## About the Role * Bachelor's degree or 4+ years of additional IT experience in lieu of a degree. * 5+ years of software development experience. * Experience working on a large and complex software development project. * Experience with developing Service Catalog and ServiceNow workflows. * Proficiency in at least one scripting language such as Ruby, Python, Perl, Bash, or JavaScript. * DoD approved 8570 IAT Level II Certification (e.g., Security+ CE) or the ability to obtain it within 30 days of hire. Preferred Qualifications: * Certified ServiceNow Administrator (CSA) credential. * ServiceNow Certified Application Developer credential. * Experience working in a DevOps or Agile software development environment. Clearance Requirements: * An active TS/SCI with Polygraph is required for this position. Physical Requirements: * The person in this position must be able to remain in a stationary position 50% of the time. * The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers. * The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations, and must be able to exchange accurate information in these situations. ## Description * Develop ServiceNow solutions and enhancements using core platform capabilities to support business requirements. * Develop applications including configuration, report development, and data migration where applicable. * Identify and implement best-practice solutions to address client requirements. * Perform custom development and third-party integrations across the environment. * Perform unit-testing, resolve code defects, and migrate code changes to the production environment. * Assist with technical design and documentation to ensure platform stability. * Collaborate with internal stakeholders and team members to build solutions in ServiceNow.