Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

CNO Application Developer

$120k - $247k

Set Of X

All positions require an active clearance.

WE ARE HIRING OWNERS

Set of X is led by industry veterans who see government contracting as a good community with plenty of opportunity to go around.With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership.

Because who you work with matters.
________________________________________________________________________

You will act as a CNO software engineer in an organization focused on discovery of opportunities and enabling activities in numerous technical fields. The candidate will be responsible for designing, developing, prototyping, modifying, and integrating solutions for a wide variety of up-and-coming projects. You will be a part of an interdisciplinary team providing new tooling and exploring novel capabilities to produce mission-centric results.

Responsibilities:
  • Develop new software systems in a variety of languages that can operate within unique mission constraints.
  • Perform reverse engineering on various software products to explore functionality.
  • Build prototypes to demonstrate and explore novel techniques.
  • Derive, document, and analyze requirements.
  • Augment and integrate with existing toolsets and dataflow where possible.
Required Skills:
  • Experience developing software in languages such as C/C++/Python/Assembly.
  • Experience with reverse engineering.
  • Ability to deliver independently but also integrate with the broader team.
  • Familiarity with Linux platforms.
  • Familiarity with Git and Subversion.
Desired Skills:
  • Experience with reverse engineering network based devices.
  • Experience with any of the following: Java, JavaScript, Bash, PowerShell, Perl, C#, and Rust.
  • In-depth understanding of network protocols (e.g., TCP/IP), and analysis of network traffic (e.g., Wireshark).
  • Experience developing CNO specific software in Linux/Windows/Embedded applications.
  • Experience with Vulnerability Research and Exploit development.
  • Familiarity with CNO capabilities and operations.
Education/Experience:

12 yrs., B.S. or 10 yrs. w/ M.S., 4 yrs. of additional SWE experience may be substituted for a bachelor’s degree.

Clearance:

TS/SCI clearance with polygraph is required.

Total Compensation Package

We offer a comprehensive compensation package designed to support your well-being and professional growth. Our competitive base salary is complemented by an extensive benefits program, including:

  • Health, Dental, and Vision Insurance: Comprehensive coverage to keep you and your family healthy.
  • Life and Disability Insurance: Peace of mind with financial protection for you and your loved ones.
  • 401(k) Plan: No personal investment required to benefit from a generous employer contribution, allowing you to maximize your take-home pay.
  • Paid Time Off: Enjoy time away from work to recharge.
  • Technology Refresh: Upgrade your devices regularly, or opt for a year-end bonus if you don’t need new tech.
  • Training and Professional Development: A $5,250 annual budget for ongoing education, certifications, and professional memberships. Or use this annual benefit to repay a student loan tax-free.

For a full overview of our benefits, please visit our benefits tab.

Salary Range: $120,000 - $247,000

Additional Perks and Benefits
  • Stock Plan: Become an equity owner with a yearly stock grant—let’s build the future together.
  • Flex Leave and Exchange Plan: Take up to 8 weeks off for a strong work-life balance or sell back unused time for double the value!
  • Virtual Office Compensation: Monthly reimbursement for cell phone and internet services.
  • Fringe Benefit Mall: Choose from perks like Uber rides, a beer of the month club, Amazon Prime, and Hello Fresh—whatever suits you best!
  • Profit-Sharing Cash Bonus: Share in the company’s success with an end-of-year cash bonus.
  • Referral Bonus: Help us grow by bringing in top talent and earn a bonus for each successful referral.
#J-18808-Ljbffr
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the CNO Application Developer in Columbia, MD vacancy
  •  ...Job Description Job Description About the Role: The CNO Application Developer plays a critical role in designing, developing, and maintaining applications that interact with complex network protocols to support advanced communication and data exchange systems. This... 
    Suggested

    8-BIT INT LLC

    Laurel, MD
    3 days ago
  • $308k

     ...large number of positions anticipated to be added to an existing CNO contract in January 2026.Job RequirementsColumbia, MD Top Secret...  ...Polygraph to be considered for this position. Responsibilities: Develop full stack software solutions, including UI/UX, middleware/API,... 
    Suggested
    Contract work

    Navstar

    Columbia, MD
    7 hours ago
  •  ...Residency All applicants must reside in the United States at the time of application....  ...BigBear.ai is seeking a Application Developer to join exciting, up-and-coming projects...  ...Technical Expertise: Experience developing CNO-specific software for Linux, Windows,... 
    Suggested
    Flexible hours

    BigBear.ai

    Columbia, MD
    4 days ago
  • $120k - $247k

     ...Because who you work with matters. This CNO Focused Sr. Software Engineer will be...  ...multiple product groups by designing, developing, and integrating tools to automate data...  ...maintenance of full-stack data analysis applications. Interact with mission stakeholders to... 
    Suggested
    Work at office
    Flexible hours

    Set Of X

    Columbia, MD
    2 days ago
  • $5,000 per month

     ...Senior CNO Software DeveloperLocation: Fort Meade, MDClearance Required: Active TS/SCI...  ...Defense and Intelligence Community. Our team develops innovative capabilities that solve...  ...information, or any other status protected by applicable federal, state, local, or international... 
    Suggested
    Contract work
    Temporary work
    Local area
    Flexible hours

    Endictus

    Columbia, MD
    5 days ago
  •  ...Mid-Level CNO DeveloperColumbia, MD TS/SCI CI Poly $140K to $170KResponsibilities:Design, develop, and maintain software components and modules based on customer requirementsBuild, test, debug, and deliver software solutions on scheduleDevelop software prototypes and demonstrationsResearch... 

    thejosefgroup.com

    Columbia, MD
    7 hours ago
  •  ...A leading technology company is seeking a software developer with an emphasis on cybersecurity to join their Virtualization Team...  ...development experience, particularly within cybersecurity/CNO development. Applicants must hold a bachelor's degree in Computer Science or... 

    Amches

    Columbia, MD
    2 days ago
  •  ...or an extremely related discipline. Two years of Cybersecurity/CNO development.Required Skills- Degree must be in Computer Science...  ...Vetegrity provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of... 
    Temporary work
    Local area

    Vetegrity

    Columbia, MD
    7 hours ago
  •  ...MANTECH seeks a highly technical and mission-focused Senior CNO Software Developer to join our team in Columbia, MD. In this role, you will develop advanced CNO capabilities that directly support national security. You’ll work in a collaborative environment focused on... 
    Work experience placement
    Columbia, MD
    a month ago
  • $100k - $200k

     ...OpportunityPercival is seeking Computer Network Operations (CNO) Software Developers skilled in Assembly, C/C++, and Python programming to...  ...environments, including single-threaded and multithreaded applications.Draft documentation, participate in design, code, and software... 
    Full time
    Work experience placement
    Remote work

    ClearanceJobs

    Columbia, MD
    2 days ago
  •  ...related discipline. This LCAT also requires 1 year of cybersecurity/CNO-specific development. Their degree must be in ComputerScience...  ...provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of... 
    Temporary work
    Local area

    vetegrity

    Columbia, MD
    2 days ago
  •  ...Mid-Level Application Developer (Java & Angular) Hybrid IF local to Maryland office Join us at Sparksoft, where we're not just another tech company—we're a catalyst for change. Our mission isn't just to offer IT solutions; it's to revolutionize the way you work.... 
    Full time
    Work at office
    Local area

    Sparksoft Corporation

    Columbia, MD
    7 hours ago
  •  ...CNO Software Engineer (All Levels)When You Love the Work You Do, Any Mission Is PossiblePosition Summary:We are seeking highly skilled...  ...with offensive, defensive, and hunt teams to design, develop, and analyze advanced cyber capabilities. This role is ideal for... 

    Tiber Technologies Inc

    Annapolis Junction, MD
    5 days ago
  •  ...CNO Software EngineerMANTECH seeks a skilled and mission-focused CNO Software Engineer...  ...but are not limited to:Design and develop new hardware- or software-based CNO capabilitiesAssists...  ..., testing, and debugging of applications software and systemsDevelop data queries... 

    Navstar

    Hanover, MD
    7 hours ago
  • $209k

     ...Full Scope Polygraph Mid Level Career (5+ yrs experience)Job Description: Full-stack software development for a web-based platform. Develop ingest pipelines, build scalable REST APIs, and enhance user-facing visualizations. Requires Java, JavaScript frameworks including... 

    ClearanceJobs

    Columbia, MD
    2 days ago
  •  ...CNO Software DeveloperGormat is seeking a CNO Software Developer to join our team in support of specialized military cyber operations. You'll be a critical member of a small team, responsible for bringing your high-level offensive cyber expertise and rapid prototyping... 
    Contract work

    Gormat

    Annapolis Junction, MD
    3 days ago
  • $69.4k - $158k

    CNO Software EngineerKey Role:Provide computer network operations capability development...  ...with general industry knowledge. May develop or contribute to solutions to a variety of...  ...clearly, orally and in writingClearance:Applicants selected will be subject to a security investigation... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Annapolis Junction, MD
    1 day ago
  •  ...Residency All applicants must reside in the United States at the time of application. Overview BigBear.ai is seeking a CNO NetDev Developer 3 to act as a general-purpose CNO reverse engineer for network-based devices on exciting, up-and-coming projects... 

    BigBear.ai

    Columbia, MD
    4 days ago
  • $200k - $280k

     ...Principal CNO Software Engineer Opportunity***An active or rein-statable TS/SCI with...  ...you in the latest technologies. We will develop and support your own personalized training...  ...a quick turn-around using interactive applications and the integration of industry standard... 
    Full time
    Contract work
    Remote work
    Relocation package

    GliaCell Technologies LLC

    Annapolis Junction, MD
    5 days ago
  •  ...Expert CNO Software EngineerMANTECH seeks a highly technical and mission-focused Expert...  ...in Hanover, MD. In this role, you will develop advanced CNO capabilities that directly...  ..., testing, and debugging of applications software and systemsApply expert knowledge... 
    Work experience placement

    Navstar

    Hanover, MD
    5 days ago
  • $141.5k - $236k

     ...CNO Python Software EngineerUnlock the secrets of intelligence with MANTECH! Join a...  ...Ability to demonstrate solid knowledge of application containerization using Docker and...  ...troubleshoot, and modify software, and assist with developing and executing test procedures.Write and... 
    Hourly pay
    Contract work
    Temporary work
    Work experience placement
    Local area
    Remote work

    ManTech

    Hanover, MD
    2 days ago
  • $150k - $175k

     ...love to speak with you regarding the following position:Android CNO DeveloperinColumbia, MD. Security Clearance Required: TS/SCI w/...  ...Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race... 
    Bank staff

    legato

    Annapolis Junction, MD
    5 days ago
  • $74.8k - $130.9k

     ...support a critical customer mission and develop much needed capabilities. You'll get to work...  ...our customer's mission. Your iOS and CNO skills will be stretched to the limit as...  ...opportunity employer, and all qualified applicants will receive consideration for employment... 
    Full time
    For contractors
    Flexible hours

    Parsons

    Annapolis Junction, MD
    4 days ago
  • $86.9k - $198k

    Windows CNO DeveloperThe Opportunity:As a CNO developer, you know that embedded and application developers, reverse engineers, and vulnerability analysts all play key roles in the CNO capability development lifecycle. We’re looking for someone like you to flex your problem... 
    Full time
    Contract work
    Part time
    Local area
    Remote work
    Flexible hours

    Booz Allen Hamilton

    Columbia, MD
    3 days ago
  •  ...years of experience must be in software development or an extremely related discipline. This LCAT also requires 2 years of cybersecurity/CNO-specific development. Their degree must be in Computer Science or Computer Engineering (or something extremely similar). We are... 

    Amches

    Columbia, MD
    4 days ago
  • Knowledge of one or more platforms and operating systems and of programming languages such as Windows, Linux, C/C++ and Python. Assembly experience (any platform/processor) Ability to manage competing priorities in fast-paced mission environments Ability to identify...

    Avid Technology Professionals

    Columbia, MD
    3 days ago
  • $168k - $240k

     ...Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a Senior Application Developer to join our intel team.You will act as a general-purpose Software Engineer and CNO Reverse Engineer for up-and-coming projects where you will design, develop, prototype... 
    Contract work
    Work experience placement
    Flexible hours

    Belay Technologies

    Annapolis Junction, MD
    2 days ago
  • $194k - $249k

     ...Job DescriptionJob DescriptionApplication Developer / Reverse EngineerMake an Impact Where...  ...reverse engineer network traffic and web applications, develop Python-based automation, and...  ...analysis systems • Experience with production CNO capabilities and operations • Experience... 
    Immediate start
    Visa sponsorship

    Intelliforce-IT Solutions Group, LLC.

    Annapolis Junction, MD
    5 days ago
  • Active TS/SCI clearance with Polygraph. C/C++ and Python experience. Assembly experience on any platform/processor. Qualifications Degree from an accredited college or university in Systems Engineering or a related discipline. Minimum Experience 10+ years...

    Avid Technology Professionals

    Columbia, MD
    5 days ago
  •  ...CNO Programmer-PrincipalAnnapolis Junction, Maryland, United StatesAt NetSage, we are...  ...efforts by leading a team of developers in the design, development, and maintenance...  ...system security models, and process/thread application programming interfaces (APIs) and data structures... 
    For contractors

    NetSage Corporation

    Annapolis Junction, MD
    7 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to CNO Application Developer. Be the first to apply!