ManTech

Government cybersecurity, analytics, and IT services

Computer Network Operations Developer Intern

Offensive Security & TestingConfirmed live in the last 24 hours

Internship · Summer 2026No salary listed

About the Job

Requirements

Be a current full-time student pursuing a Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related field, with an expected graduation date no earlier than December 2027.
Be a U.S. citizen with an active U.S. security clearance or be eligible to obtain one.
Have academic or professional experience in low-level programming, hacking, reverse engineering, capability/tool development, embedded development, security research, penetration testing, and networking.
Be proficient in at least one of Python, C++, C, or Assembly.
Be able to work on-site or in a hybrid format in Hanover, MD; Herndon, VA; Aurora, CO; or San Antonio, TX.
Be able to remain in a stationary position for more than 50% of the time.
Be able to communicate, converse, and exchange information with peers and senior personnel.
Be able to consistently operate a computer and other office productivity machinery.

Responsibilities

Expand skills in low-level programming, hacking, reverse engineering, capability/tool development, embedded development, security research, penetration testing, and networking.
Leverage Python, C, C++, and Assembly coding experience to develop mission-critical software.
Support a national security program held by ManTech for more than 15 years in a collaborative environment.
Participate in guided projects over the summer that can flow back to real contracts.
Design and develop technologies to defend, attack, and exploit networks in defense of critical systems.

Desired Qualifications

Have an active/current TS/SCI clearance with polygraph.
Have experience with networking (TCP/IP) and socket-level programming.
Have experience with low-level internals in one or more technology areas, such as Windows, Unix, mobile, or network devices.
Understand x86 assembly programming concepts.
Have experience with Atlassian products, including JIRA, Confluence, and Crucible.
Have experience in penetration testing and analysis, computer forensic analysis and data recovery, computer intrusion detection and analysis, or computer incident response.

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 Computer Network Operations (CNO) Developer Interns to design and develop technologies to defend, attack and exploit networks in defense of our most critical systems.

Our Summer internship locations include Hanover, MD; Herndon VA; Aurora, Colorado and San Antonio, TX. Hybrid options may be available.

Responsibilities include, but are not limited to:

Expanding your skills in Low-Level Programming, Hacking, Reverse Engineering, Capability/Tool Development, Embedded Development, Security Research, Penetration Testing and Networking
Leveraging experience with Python ,C, C++ and Assembly coding to develop mission-critical software
Supporting a prestigious national security program held by ManTech for 15+ years in a collaborative environment
Participating in guided projects over the summer that can directly flow back to real contracts.

Required Qualifications:

U.S. Citizen with an active US Security Clearance or eligible to obtain a US Security Clearance
Current full-time student pursuing a BS/MS in Computer Science, Computer Engineering or related field with a projected expected graduation date no earlier than December 2027.
Academic or professional experience in Low-Level Programming, Hacking, Reverse Engineering, Capability/Tool Development, Embedded Development, Security Research, Penetration Testing, and Networking
Proficiency with one (or more) of the following languages: Python, C++, C, or Assembly
Desire to work in a hands-on, coding-heavy role where the primary focus is to design and develop new bleeding edge software
Ability to work on-site or in a hybrid format in Hanover MD, Herndon VA, Aurora, CO or San Antonio TX

Desired Qualifications:

Active/current TS/SCI with Polygraph clearance
Networking (TCP/IP) and socket level programming
Low-level internals in one or more technology areas (e.g. Windows, Unix, Mobile, Network devices)
Assembly programming concepts (x86)
Atlassian products (JIRA, Confluence, Crucible)
Penetration testing and analysis, computer forensic analysis and data recovery, computer intrusion detection and analysis, computer incident response

Clearance Requirements:

U.S. Citizen with an active US Security Clearance or eligible to obtain a US Security Clearance

Physical Requirements:

Must be able to be in a stationary position more than 50% of the time
Must be able to communicate, converse, and exchange information with peers and senior personnel
Must be able to consistently operate a computer and other office productivity machinery

The projected compensation range for this position is -. 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 [email protected] and provide your name and contact information.

About the Company

ManTech

Government cybersecurity, analytics, and IT services

ManTech provides technology and services to U.S. government customers in defense, intelligence, and federal civilian agencies. It delivers cybersecurity, data analytics, enterprise IT, logistics, intelligence lifecycle support, software development, systems engineering, mission operations, security, and training through government contracts that span strategy to operations with strict security compliance. Its differentiators include a national-security focus, end-to-end capabilities, long-term high-value contracts, and emphasis on specialized talent. The company aims to help government agencies modernize and protect critical infrastructure while pursuing sustainable growth and profitability.

Company size: 10,001+
Company stage: IPO
Headquarters: Herndon, VA
Founded: 1968

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