CNO Python Developer - TS/SCI w/Poly

Parsons Open

US - MD (Field Location) Full-time Mid-level Backend Engineering

At a glance

Mid-level Backend Engineering role at Parsons. US - MD (Field Location) · full-time · $125,100–$225,200 base.

SalaryStated by Parsons

$125,100 – $225,200

Base salary for this role, in USD per year, as published in the posting.

RoleBackend Engineering

SeniorityMid-level

LocationUS - MD (Field Location)

EmploymentFull-time

Base pay$125,100–$225,200

PostedOct 30, 2026

Role brief

techroles summary, based on the employer's posting.

What you'll do

Turn proof-of-concept exploits and CVE vulnerabilities into dependable tools ready for operational use
Get exploit details from vulnerability researchers, then confirm with the customer what the capability needs to do
Stabilize and prepare exploit capabilities so they can operate on live infrastructure

What you bring

You hold an active TS/SCI clearance with polygraph
You have a relevant bachelor's degree and eight years of related experience, or four extra years instead of the degree
You have built exploit or CNO tools and used Python, C, C++ or x86
You can assess exploits, make them repeatable, and reverse-engineer binaries or source code to find vulnerabilities

Who this fits

This role suits a developer with exploit engineering and reverse-engineering experience. An active TS/SCI clearance with polygraph is required.

From the employer

In a world of possibilities, pursue one with endless opportunities. Imagine Next!

At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.

Job Description:

Parsons is seeking an experienced Software Developer to join our team in support of specialized military cyber operations.

What You'll Be Doing:

Perform weaponization/productization of proof-of-concept exploits or CVE vulnerabilities to ensure these capabilities are operationally ready to be used on live infrastructure
Work with the vulnerability research team to gather relevant information on proof-of-concept exploits they generate and engage with the customer to ensure the product meets operational needs

What Required Skills You'll Bring:

Active TS/SCI w/ Poly
Bachelor's degree in relevant discipline and 8+ years of related experience; four (4) additional years of experience may be considered in lieu of degree requirement.
Experience with exploit/CNO tool development
Experience utilizing programming languages such as Python, C, C++, or x86
Ability to analyze proof-of-concept exploit/CVE vulnerability and engineer it to be stable and repeatable
Experience in reverse-engineering both compiled binaries and source code to identify vulnerabilities

What Desired Skills You'll Bring:

SME in exploit/CVE vulnerability experience
10+ years in CNO Tool Development

Security Clearance Requirement:

An active Top Secret SCI w/Polygraph security clearance is required for this position.

This position is part of our Federal Solutions team.

The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.

Salary Range: $125,100.00 - $225,200.00

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.

We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!

Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.

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