iOS-Savvy CNO Developer - (TS/SCI w/ Poly)
Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Jun 23, 2026. Parsons scores B on the Alion truth index.
Job Description:
Are you looking to make great use of your iOS Reverse Engineering (RE) and vulnerability research (VR) skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference and learn from / collaborate with our existing iOS / vulnerability research / reverse engineering subject matter experts, we have the perfect position for you to help start a new stage of your career at Parsons!
You'll get the opportunity to do RE, VR, and prototype development to support a critical customer mission and develop much needed capabilities. You'll get to work at the customer site,integrated into the customer's team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your iOS and CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.
What You'll Be Doing:
Conduct reverse engineering of embedded systems, binaries, and firmware.
Design, develop, and implement embedded software capabilities in C.
Apply vulnerability research and CNO skills to discover and implement novel solutions.
Work on-site at a contractor facility, fully integrated into a small, expert team.
Collaborate with senior subject matter experts and leverage their mentorship to expand your skills.
Contribute to efforts that directly enhance national security and protect critical systems.
What Required Skills You'll Bring:
TS/SCI with Polygraph required
5+ years of software engineering, reverse engineering, or vulnerability research experience with C and Python
Experience with reverse engineering
Experience with vulnerability research
Experience with iOS internals development or analysis
What Desired Skills You'll Bring:
Experience with vulnerability research (e.g., exploit development, fuzzing, or security analysis of embedded systems)
Familiarity with common RE tools and environments (e.g., IDA Pro, Ghidra, binary analysis platforms)
Experience in CNO or related cybersecurity operations
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: $74,800.00 - $130,900.00We 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/.