CNO Vulnerability Researcher

General information

Requisition #

R70479

Locations

USA-VA-Herndon, USA-TX-San Antonio, USA-MD-Hanover

Posting Date

09/08/2026

Security Clearance Required

Secret

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 CNO Vulnerability Researcher to join our team . This position can be worked in Hanover, MD, Herndon, VA or San Antonio, TX. In this role, you will support critical national security missions by identifying and analyzing software vulnerabilities, developing innovative solutions, and collaborating with a highly skilled cyber team to advance offensive and defensive capabilities.

Responsibilities include but are not limited to:

• Researching and discovering software vulnerabilities across multiple platforms and environments

• Reverse engineering software to identify security weaknesses and develop mechanism bypasses

• Performing as a team lead on projects when appropriate, providing technical guidance and mentorship

• Managing the design, development, documentation, testing, and debugging of user land and kernel software and systems

Researching and maintaining proficiency in tools, techniques, countermeasures, and emerging trends in computer network vulnerabilities, static and dynamic program analysis, network security, and encryption

• Communicating project status, findings, and risk considerations with leadership and customers

Minimum Qualifications:

• Bachelor's degree and 3+ years of relevant experience, or High School Diploma and 7+ years of relevant experience

• Experience with with low-level internals in Windows or Linux within the last 3 years

• Experience in C/C++, Python and Assembly (x86/x64) programming

• Experience in vulnerability research

• Experience in exploit development

• Experience in reverse engineering and common security research tools such as IDA Pro, WinDBG, Ghidra, Radare, Binary Ninja, SysInternals, GDB, or similar

• Experience with CNO capability development

Preferred Qualifications:

• Experience developing fuzzers and static analysis tools

• Experience with modern security system features

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

• Experience applying Agile Scrum methodologies

Experience mentoring junior vulnerability researchers

Clearance Requirements:

• Must have a current/active Secret clearance with the ability to upgrade to a TS/SCI clearance

Physical Requirements:

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

The projected compensation range for this position is $128,800.00-$214,500.00. 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.