Senior CNO Developer

ManTech International Corp

Aurora, CO

JOB DETAILS
SALARY
$114,600–$190,200 Per Year
SKILLS
Assembly Language, Atlassian JIRA, C Programming Language, C++ Programming Language, Computer Networks, Computer Operations, Computer Software, Crucible, Data Analysis, Debugging Skills, Federal Contracts, Federal Government, Government Contracts, Government Intelligence, Hardware Development, High School Diploma, Identify Issues, Intelligence Agencies, Internet Security, Leadership, Network Administration/Management, Network Protocols, Network Security, Python Programming/Scripting Language, Quality Assurance Methodology, Regulatory Compliance, Security Clearance, Sensitive Compartmented Information (SCI), Sockets, Software Development, TCP/IP (Transmission Control Protocol/Internet Protocol), Top Secret Clearance, Unit Test
LOCATION
Aurora, CO
POSTED
20 days ago

General information

Requisition #

R68501

Locations

USA-CO-Aurora

Posting Date

06/05/2026

Security Clearance Required

None

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 skilled and mission focused Senior CNO Developer to join our team in Aurora, CO .

In this role, you will contribute to the development of mission-critical offensive cyber capabilities and drive excellence in advanced Computer Network Operations (CNO). You'll be part of a dynamic team working on next-generation solutions that safeguard our national security systems.

Responsibilities include but are not limited to:

  • Design and develop new hardware- or software-based Computer Network Operations (CNO) capabilities

  • Perform design, development, documentation, testing, and debugging of software applications and systems

  • Apply knowledge of network and security concepts to support capability development

  • Communicate status updates and technical progress to leadership and stakeholders

  • Ensure software quality and compliance with development standards

Minimum Qualifications:

  • BS degree and 4+ years of technical work experience, or MS Degree and 2+ years of technical work experience, or High school diploma and 8+ years of technical work experience.

  • Experience in Python or C/C++ programming languages

  • Experience with troubleshooting and debugging

Preferred Qualifications:

  • Experience with networking protocols (TCP/IP) and socket-level programming

  • Experience with developing CNO capabilities

  • Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)

  • Experience in software analysis or reverse engineering

  • Experience using Atlassian tools (JIRA, Confluence, Crucible)

  • Understanding of assembly language programming concepts

  • Understanding of unit testing frameworks and practices

Clearance Requirements:

  • Must be able to obtain TS/SCI security clearance and be willing and successfully complete polygraph

Physical Requirements:

  • Must be able to remain in a stationary position at least 50% of the time.

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.

About the Company

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.
COMPANY SIZE
5,000 to 9,999 employees
INDUSTRY
Other/Not Classified
FOUNDED
1968
WEBSITE
https://www.mantech.com/about