$114,600–$190,200 Per Year
Access Control, Administrative Skills, Amazon Web Services (AWS), Best Practices, Business Support, CCNA - Cisco Certified Network Associate, CompTIA Security+, Computer Security, Continuous Deployment/Delivery, Continuous Integration, Customer Relations, Data Analysis, Federal Contracts, Federal Government, GSEC - GIAC Security Essentials Certification, Government Contracts, Government Intelligence, High Availability, IAT - Information Assurance Technical, Identify Issues, Information Technology & Information Systems, Intelligence Agencies, Internet Security, Linux Administration, Network Administration/Management, Network Configuration Management, Office Equipment, People Management, Presentation/Verbal Skills, SSCP - Systems Security Certified Practitioner, Scalable System Development, Security Patches, Sensitive Compartmented Information (SCI), ServiceNow, Software Administration, Software Development, Systems Administration/Management, Systems Maintenance, Systems Reliability, Technical Support, Time Management, Top Secret Clearance, Virtualization
General information
Requisition #
R69255
Locations
USA-CO-Denver
Posting Date
07/14/2026
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 Senior Cyber Support Developer to join our team in Denver, CO.
This role supports key development efforts and will contribute to building scalable, high-quality solutions that align with mission needs.
Responsibilities include but are not limited to:
- Maintain enterprise IT infrastructure, ensure system reliability, and help maintain overall system security in a virtualized environment.
- Identify and implement best-practice solutions for complex technical problems.
- Maintain server infrastructure and perform system upgrades to ensure consistent operational performance.
- Provide technical support to ensure high system availability and robust security posture.
- Manage user access controls, deploy security patches, configure network infrastructure, and automate pipelines.
- Collaborate with internal stakeholders and team members to build solutions that support business and mission requirements.
Minimum Qualifications:
- 5+ years of software administration experience.
- Experience with supporting large, complex software development projects.
- Experience with configuring and maintaining virtual environments.
- Experience with maintaining and managing ServiceNow instances.
- Hold a current IAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security) or possess the ability to obtain one within 6 months of hire.
Preferred Qualifications:
- Experience with Kubernetes orchestration, GitLab CI/CD pipeline implementation, AWS EKS management, and Linux server administration.
- Ability to diagnose complex technical issues, develop effective solutions, and provide timely delivery of resolutions.
- Certified ServiceNow Administrator (CSA) credential.
Clearance Requirements:
- Must have a current/active TS/SCI with a Polygraph.
Physical Requirements:
- The person in this position must be able to remain in a stationary position 50% of the time.
- This position requires occasionally moving about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers via email, phone, or virtual communication, which may involve delivering presentations.
The projected compensation range for this position is $114,600.00-$190,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.
M
ManTech International Corp
Our Mission
Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day.
Our Vision
Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech.
Our Values
Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to:
• TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always.
• INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers.
• QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.
5,000 to 9,999 employees
https://www.mantech.com/about