Senior CNO Developer

5 days ago

Hanover Hills, Maryland, United States MANTECH Full time $200,000 - $250,000 per year

MANTECH seeks a skilled and innovative Senior CNO Developer to join our team in Hanover, MD.

In this role, you will contribute to the development of mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations (CNO). You'll be part of a dynamic team working on next-generation solutions that safeguard national security systems.

Responsibilities include but are not limited to:

  • Designing and developing new hardware- or software-based Computer Network Operations (CNO) capabilities
  • Managing the design, development, documentation, testing, and debugging of software applications and systems
  • Applying expert knowledge of network and security concepts to support capability development
  • Communicating status updates and technical progress to leadership and stakeholders
  • Ensuring software quality and compliance with development standards

Minimum Qualifications:

  • High school diploma and 8+ years of technical work experience, or

    BS degree and 4+ years of technical work experience, or

    MS Degree and 2+ years of technical work experience, or

    PhD and 0+ years of relevant experience
  • Experience in Python and C/C++ programming languages
  • Experience with troubleshooting and debugging
  • Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)
  • Experience with networking protocols (TCP/IP) and socket-level programming
  • Experience with developing CNO capabilities
  • Experience in managing and leading development teams

Preferred Qualifications:

  • Experience in software analysis or reverse engineering
  • Understanding of assembly language programming concepts
  • Familiarity with unit testing frameworks and practices
  • Experience using Atlassian tools (JIRA, Confluence, Crucible)

Clearance Requirements:

  • An active/current TS/SCI with Polygraph is required.

Physical Requirements:

  • Must be able to remain in a stationary position at least 50% of the time.

  • CNO Developer

    6 days ago

    Hanover, Maryland, United States MANTECH Full time $80,000 - $120,000 per year

    ManTech seeks a motivated, career and customer-orientedCNO Software Developerto join our team inHanover, MD.Responsibilities Include, But Are Not Limited ToDesign and develop new hardware or software based CNO capabilities.Assist with designing, developing, documenting, testing, and debugging of applications software and systems.Apply knowledge of security...

  • Associate CNO Software Developer

    2 hours ago

    Hanover, Maryland, United States MANTECH Full time

    ManTech seeks a motivated, career and customer-orientedAssociate CNO Software Developerto join our team in Hanover, MD.Responsibilities Include, But Are Not Limited ToDesign and develop new hardware or software based CNO capabilities.Assist with designing, developing, documenting, testing, and debugging of applications software and systems.Apply knowledge of...

  • CNO Python Software Engineer

    5 days ago

    Hanover Hills, Maryland, United States MANTECH Full time $120,000 - $180,000 per year

    MANTECH seeks a motivated, career- and customer-oriented CNO Python Software Engineer to join our team in Hanover, MD. This position supports critical mission requirements by delivering advanced software solutions within a cyber network operations (CNO) environment. You will provide specialized testing and evaluation capabilities tailored to system...

  • Expert CNO Software Engineer

    6 days ago

    Hanover, Maryland, United States MANTECH Full time $120,000 - $250,000 per year

    MANTECHseeks a highly experienced and mission-focusedExpert Software Engineerto join our CNO team inHanover, MD.As an Expert Software Engineer on our team, you will play a key role in developing advanced CNO capabilities that directly support national security. You'll work in a collaborative environment focused on solving complex technical challenges in...

  • CNO System Administrator

    1 day ago

    Hanover, Maryland, United States MANTECH Full time $80,000 - $120,000 per year

    MANTECH seeks a motivated, career and customer-orientedCNO System Administratorto join our team in theHanover, Maryland.Responsibilities Include, But Are Not Limited ToDevelops and executes plans for new technologies to enhance security capabilities including, perimeter security protections, firewalls, proxies, load balancers, monitoring tools, and data...

  • Senior CNO Software Developer

    5 days ago

    Hanover, Maryland, United States hackajob Full time

    hackajob*is collaborating withMANTECH*to connect them with exceptional tech professionals for this role.

  • CNO Analyst

    6 days ago

    Hanover, Maryland, United States Lockheed Martin Full time $79,700 - $140,530 per year

    Job ID: 707292BRDate posted: Oct. 07, 2025Description:This position may be eligible for up to a $25K sign on bonus for external hires What We're Doing:Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. You'll develop innovative offensive cyber...

  • Management Development Prgm Assoc

    1 day ago

    Hanover Hills, Maryland, United States Hotel Full time $50,000 - $70,000 per year

    OverviewWhy We Need Your Talents:The Live Casino & Hotel Management Associate is an exciting opportunity for a recent college graduate with an interest in the entertainment, gaming and hospitality industry. This unique opportunity provides the Management Associate exposure to a wide array of functional areas beyond Gaming (slots, table games, sports betting,...

  • Senior Information Systems Security Officer

    6 days ago

    Hanover Hills, Maryland, United States Maximus Full time $80,000 - $120,000 per year

    Description & RequirementsWe are seeking a Senior Information Systems Security Officer to join our team to assist the ISSMs in meeting their duties and responsibilities.This role is on-site, five days a week and requires an active TS/SCI security clearance. This role is contingent upon contract award.Maximus TCS (Technology and Consulting Services) Internal...

  • Senior System Engineer

    6 days ago

    Hanover, Maryland, United States SourcePro Search Full time $118,400 - $147,000 per year

     SourcePro Search has  a 12 month contract opportunity for a Senior System Engineer with Active TS/SCI with Lifestyle Poly.Responsibilities:Provide Tier 2 and 3 infrastructure support for remote sites and assisting instructors from E9 with training requirements that are course specific. ISSO responsibilities for E62 SSPs, to include JAVA updates, patches,...