• CNO Developer ( TS

    Parsons Corporation (Chantilly, VA)
    …devices + 3+ years vulnerability research experience **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... **Job Description:** Parsons is looking for an amazingly talented ** CNO Developer ** to join our team! In...our country. **What Required Skills You'll Bring:** + **Active TS / SCI clearance w/ polygraph is required for… more
    Parsons Corporation (05/14/25)
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  • CNO Developer

    BigBear.ai (Columbia, MD)
    …in computer science, information systems, or network engineering Clearance: Active TS / SCI with a Poly Minimum six (6) years' experience programming in ... Overview BigBear.ai is seeking a CNO Developer to understand systems, how...Degree and four (4) years' experience in computer science, information systems, or network engineering OR minimum eight (8)… more
    BigBear.ai (05/23/25)
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  • Mid-Level CNO Developer

    BigBear.ai (Columbia, MD)
    Overview BigBear.ai is seeking a highly creative Mid-Level CNO Developer for an exciting upcoming Cyber Operations contract award with detective skills to tackle ... information systems or network engineering) Clearance: Must possess and maintain a TS / SCI with polygraph Program in Assembly, C, C++, Java, Perl, or Python… more
    BigBear.ai (05/31/25)
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  • Cyber ( CNO ) Software Developer

    Percival Engineering (Columbia, MD)
    …to developing cutting-edge software, our team does it all. If you are a Cyber ( CNO ) Software Developer with a passion for innovation and a knack for thinking ... Maryland, our squad is on a big mission: developing top -notch talent and technical solutions to safeguard our nation's...Non-Remote - Columbia, MD Clearance & Citizenship Requirements: + TS / SCI with polygraph is required + Due… more
    Percival Engineering (03/27/25)
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  • CNO Developer / Engineer

    BigBear.ai (Columbia, MD)
    …and processes. This position will report to an on-site location in Maryland; an active TS - SCI clearance with Poly is required. What you will do Program in ... Overview BigBear.ai is hiring CNO Developers to provide custom software design and...years of experience Clearance: Must possess and maintain a TS - SCI clearance with a polygraph Experience with… more
    BigBear.ai (05/03/25)
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  • CNO Software Engineer

    Lockheed Martin (Herndon, VA)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... environment that encourages differences and big\-picture thinking\. As a CNO Developer , you will have the opportunity...understanding of network protocols and data flows \- Active TS clearance with SCI eligibility; US citizenship… more
    Lockheed Martin (05/22/25)
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  • JIRA Developer

    Leidos (Mclean, VA)
    …Maintain access lists and to ensure proper restrictions are in place **Basic Qualifications:** + TS / SCI with polygraph. + Typically requires BS degree and 2 - 4 ... **Description** **Leidos** has a new and exciting opportunity for a **JIRA Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (05/02/25)
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  • ETL Java Developer SME

    Leidos (Reston, VA)
    …years of experience may be substituted in lieu of a degree. + ** TS / SCI with a polygraph is required for consideration.** **Preferred Qualifications** + ... **Description** **Leidos** has a new and exciting opportunity for a **ETL Java Developer SME** in our **National Security Sector's (NSS) Cyber & Analytics Business… more
    Leidos (06/11/25)
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  • Principal Full Stack Developer

    Leidos (Reston, VA)
    …in lieu of a degree. + To be considered must have an active TS / SCI with polygraph security clearance **Preferred Qualifications** + Experience with structured ... **Leidos** has a new and exciting opportunity for a **Principal** **Full Stack Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (05/21/25)
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  • Java Developer

    Leidos (Reston, VA)
    …in lieu of a degree. + To be considered must have an active TS / SCI with polygraph security clearance **Preferred Qualifications** + Experience with Python, ... **Description** **Leidos** has a new and exciting opportunity for a **Java Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (05/17/25)
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  • Java Developer

    Leidos (Reston, VA)
    …be substituted in lieu of a degree. + Candidate must have a current TS / SCI with Polygraph **Preferred Qualifications:** + Experience in AWS Data management ... **Description** **Leidos** has a new and exciting opportunity for a **Sr. Java Developer ** with advanced Excel in our **National Security Sector's (NSS) Cyber &… more
    Leidos (05/09/25)
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  • Jr. Java Developer

    Leidos (Reston, VA)
    …experience in lieu of a degree. + **Clearance Required: Must have TS / SCI with Polygraph.** **Preferred Qualifications** + Experience with Python, SpringBoot, ... **Description** **Leidos** has a new and exciting opportunity for a **Jr. Java Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (05/03/25)
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  • MarkLogic Developer (SME)

    Leidos (Reston, VA)
    …Additional years of experience may be substituted in lieu of a degree. + TS / SCI with a polygraph is required for consideration. **Preferred Qualifications** + ... **Description** **Leidos** has a new and exciting opportunity for a **MarkLogic Developer SME** in our **National Security Sector's (NSS) Cyber & Analytics Business… more
    Leidos (04/24/25)
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  • Principal User Interface Developer 25k Sign…

    Leidos (Columbia, MD)
    …development** with strict performance requirements + **Clearance Requirement** : Active ** TS / SCI with Polygraph** **Preferred Qualifications:** + Experience with ... **Leidos** has a new and exciting opportunity for a **Principal User Interface Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (06/03/25)
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  • DevOps Engineer (SME)

    Leidos (Reston, VA)
    …in lieu of a degree. + **To be considered must have an active TS / SCI with polygraph security clearance** **Preferred Qualifications** + Master's degree in ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (06/17/25)
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