• Senior CNO Software Engineer

    ManTech (Hanover, MD)
    …software and systems + Apply knowledge of security concepts and network technologies + Ensure software engineering standards are consistently met **Minimum ... **MANTECH** seeks a highly experienced and mission-focused ** Senior CNO Software Engineer** to join our CNO...in developing advanced CNO capabilities that directly support national security . You'll work in a collaborative environment focused on… more
    ManTech (10/14/25)
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  • Senior DevOps Engineer with AWS

    GovCIO (Annapolis, MD)
    …* Create blueprints for hybrid cloud infrastructures centered around AWS ( network , server, storage, security , and management software topologies), Run ... $155,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6855/ senior -devops-engineer-with-aws/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6855_ **Category** _Software … more
    GovCIO (10/07/25)
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  • Senior Systems Administrator 10k sign…

    Leidos (Annapolis Junction, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering , Computer Network Operations (CNO), Mission Software, Analytical ... **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics… more
    Leidos (11/15/25)
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  • Senior Digital Verification Engineer 4…

    Huntington Ingalls Industries (Fort Meade, MD)
    …- $190,900.00 Security Clearance: TS/SCI with Poly Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a business group within HII's ... in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering , software and hardware development… more
    Huntington Ingalls Industries (10/09/25)
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  • Sr. Network Engineer TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering , Computer Network Operations (CNO), Mission Software, Analytical ... National Security !** Leidos is looking for a Senior Level Network Engineer to join a...full suite of team collaboration tools in providing system engineering , development, test, integration and operational support for a… more
    Leidos (10/23/25)
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  • Network Engineer Lead

    Leidos (Bethesda, MD)
    …ITSM tools such as ServiceNow, SolarWinds, and NetBox. + In-depth knowledge of network security principles, including firewall rules, ACLs, VPNs, and secure ... , Cybersecurity, and Application teams to support cross-functional projects and ensure network compliance with security and mission requirements. + Manage and… more
    Leidos (10/03/25)
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  • Senior Systems Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …1-3 years of specialized project experience or formal training in system administration, network security , or IT operations. + Skills: + Strong technical ... within classified DoD environments, ensuring secure system operations. + Proficiency in network security frameworks, risk assessment, and IT governance policies.… more
    Competitive Range Solutions, LLC (11/06/25)
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  • Senior System Integration Specialist

    Telesat (Bethesda, MD)
    …more information, follow Telesat on X and LinkedIn or visit www.telesat.com The Senior Test Engineering Specialist will be responsible for developing and ... Senior System Integration Specialist Telesat (NASDAQ and TSX:...for over 50 years. Backed by a legacy of engineering excellence, reliability and industry-leading customer service, Telesat has… more
    Telesat (10/14/25)
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  • Senior Cryptographic Software Engineer

    ManTech (Linthicum Heights, MD)
    …and assess secure network communications by applying expertise in network protocols and security concepts, including TCP/IP, SSL/TLS, and RESTCONF/YANG. ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior Cryptographic Software Engineer** to join our team in **Linthicum Heights, MD** .… more
    ManTech (11/09/25)
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  • Senior CNO Developer

    ManTech (Hanover, MD)
    …and debugging of software applications and systems + Applying expert knowledge of network and security concepts to support capability development + Communicating ... **MANTECH** seeks a skilled and innovative ** Senior CNO Developer** to join our team in...in CNO development and lead efforts in advanced Computer Network Operations (CNO). You'll be part of a dynamic… more
    ManTech (11/18/25)
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