• Principal Systems Engineer - active

    V2X (Suitland, MD)
    …Suitland, MD location. The position is required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to obtain and maintain ... responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS /SCI clearance...and services to include, but not be limited to, Active Directory, Exchange , Internet Information Services (IIS),… more
    V2X (11/15/25)
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  • Messaging Services - Systems Engineer

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ208522 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... **US Citizenship Required:** Yes **Job Description:** Messaging Services - Systems Engineer Deliver simple solutions to complex problems as a Messaging Services… more
    General Dynamics Information Technology (12/19/25)
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  • Information Systems Security Manager (ISSM) 2…

    Amentum (Fort Meade, MD)
    …security incident management, and PKI and authorization services. **Clearance Required:** + Active TS /SCI with Polygraph **Must be able to:** + Perform ... portfolio + Facilitate issue resolution through integrated product teams and Technical Exchange Meetings (TEM) + Provide support for a program, organization, system,… more
    Amentum (12/23/25)
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  • Information Systems Security Manager (ISSM) 3…

    Amentum (Fort Meade, MD)
    …incident management, and PKI and authorization services. * US Citizen with an active TS /SCI with Poly **Other Requirements:** * Perform requirements gathering ... portfolio * Facilitate issue resolution through integrated product teams and Technical Exchange Meetings (TEM) * Provide support for a program, organization, system,… more
    Amentum (11/12/25)
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  • Staff Information Security Engineer

    Zscaler (Mclean, VA)
    …We're Looking for (Minimum Qualifications)** **U.S. citizenship and a current, active US Top Secret ( TS ) clearance and 5+ years of experience in one ... efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and...**Role** We are looking for a Staff Information Security Engineer to join our Engineering team. This is a… more
    Zscaler (01/10/26)
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  • Staff Software Engineer - Java, AWS, TCS…

    Zscaler (Mclean, VA)
    …S3, RDS, DynamoDB, and messaging systems like Kafka or SQS + US citizenship with active US Top Secret /SCI security clearance **What Will Make You Stand ... efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and...join our IT Cloud Engineering team. **This role requires Top Secret Security Clearance, which must be… more
    Zscaler (01/14/26)
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  • System Engineer - IA Systems

    CACI International (Annapolis Junction, MD)
    …Thin Client, and enhanced VDI (eg, remote GPU and memory scaling). + TS /SCI with Polygraph **System Engineer Level 5** **Responsibilities:** + Identifying and ... System Engineer - IA Systems Job Category: Information Technology...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (11/19/25)
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  • Systems Engineer - Senior

    Amentum (Fort Meade, MD)
    …and as part of a team in a dynamic environment. **Clearance Required:** * Must have active Top Secret clearance with SCI **Minimum Education:** * High School ... look no further. Amentum is seeking a **Senior Systems Engineer ** to join our team of passionate individuals in...Experience with Windows Server2022, 2025, Citrix XenDesktop, VMware ESXi, Active Directory, SAN, VCP 7.X. & 8.X, Nutanix AHV… more
    Amentum (10/31/25)
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  • Azure Cloud Architect - Senior Cloud…

    CACI International (Annapolis Junction, MD)
    …+ 12 years Experience and HS or GED or 7 Years Experience and Bachelors + Active TS /SCI (no waiver - minimum requirement) + DoD 8570 IA Type: IAT Level ... Azure Cloud Architect - Senior Cloud Engineer - Level 3 Job Category: Information Technology...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (10/17/25)
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  • Sr. Software Engineer

    Huntington Ingalls Industries (Annapolis Junction, MD)
    …- TS /SCI clearance with polygraph Clearance: Must possess and maintain an active TS /SCI clearance with Polygraph for consideration Preferred + Experience with ... Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Security Clearance: TS /SCI with Poly Level of Experience: Mid This opportunity resides with Cyber… more
    Huntington Ingalls Industries (11/21/25)
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  • Senior Lead Engineer - Public Sector

    Lumen (Washington, DC)
    …customers to troubleshoot technical problems Candidate must be a US Citizen with an active Department of Defense TOP SECRET clearance **Compensation** This ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...will be able to rapidly identify and resolve problems, engineer , identify, and become proficient in the latest technology… more
    Lumen (01/09/26)
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  • Federal Incident Response Lead (Principal…

    Zscaler (Mclean, VA)
    …We're Looking for (Minimum Qualifications)** + **US Citizenship and an active US Secret Security Clearance ( Top Secret preferred), with a willingness to ... be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by… more
    Zscaler (01/11/26)
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  • Federal Security Platforms Lead (Principal…

    Zscaler (Mclean, VA)
    …We're Looking for (Minimum Qualifications)** + **US Citizenship and an active US Secret Security Clearance ( Top Secret preferred), with a willingness to ... be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by… more
    Zscaler (01/11/26)
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  • Staff Site Reliability Engineer -Federal,…

    Zscaler (Mclean, VA)
    …services within classified environments **What We're Looking for (Minimum Qualifications)** + ** Active Secret Security Clearance required and must be maintained ... levels and monthly + Information Assurance Technician Level 2 certification and Top Secret security clearance \#LI-Onsite \#LI-YC2 Zscaler's salary ranges are… more
    Zscaler (11/12/25)
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  • Azure Cloud Engineer

    Arena Technical Resources, LLC (Annapolis Junction, MD)
    Engineer Location: Annapolis Junction, MD Eligibility: Candidate must possess an active TS /SCI with Full Scope Polygraph Job Description: Junior Level ... Azure Cloud Engineer Location: Annapolis Junction, MD, US Job ID:...on-premises or legacy systems to the Cloud * Administer Exchange Online, SharePoint, Teams, and OneDrive. - Monitor system… more
    Arena Technical Resources, LLC (11/13/25)
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  • Senior Systems Engineer (Level 5)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    …total of fifteen (15) years of relevant experience if a degree is not held.* Active TS /SCI clearance with polygraph is required. Salary Range: A variety of ... Kaizen Approach is currently seeking a Senior Systems Engineer to participate in Information Assurance (IA) system,...OS; if assigned to Directory Services TTOs, experience with Active Directory, Identity Management, SCCM, DNS, Group Policy, … more
    Kaizen Approach, Inc (11/11/25)
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  • Senior Systems Engineer (Level 4)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    …total of twelve (12) years of relevant experience if a degree is not held.* Active TS /SCI clearance with polygraph is required. Salary Range: A variety of ... Kaizen Approach is currently seeking a Senior Systems Engineer to lead Information Assurance (IA) system, hardware,...OS; if assigned to Directory Services TTOs, experience with Active Directory, Identity Management, SCCM, DNS, Group Policy, … more
    Kaizen Approach, Inc (11/07/25)
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  • Senior Cloud Systems Engineer

    ManTech (Annapolis Junction, MD)
    …compliance and IAVA remediation. **Clearance Requirements:** + Must have a current/ active TS /SCI with Polygraph **Physical Requirements:** + The candidate ... seeks a motivated, career- and customer-oriented **Senior** **Cloud System Engineer ** in Hanover, MD. The team delivers enterprise infrastructure capabilities… more
    ManTech (01/06/26)
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  • AI/ML Software Engineer

    Frontier Technology Inc. (Washington, DC)
    …environments. + Knowledge of Infrastructure-as-Code (Terraform, CloudFormation, or CDK). + Active Secret clearance ( TS /SCI preferred). + Bachelor's ... people, process, and technology. FTI is seeking a Software Engineer to design, build, and deploy secure, scalable software...outputs into runtime systems. + Work with serialization and exchange formats such as JSON, Protobuf, GeoJSON, or KML.… more
    Frontier Technology Inc. (12/17/25)
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  • Software Engineer API Developer

    SAIC (Washington, DC)
    …and contributing to the strategic vision of the MARS program **Qualifications** + Active TS /SCI with Polygraph + One of the following certifications: Certified ... **Description** SAIC is seeking **Software Engineer API Developers** to join the Machine-assisted Analytic...+ Strong understanding of API gateway technologies and data exchange protocols Target salary range: $80,001 - $120,000. The… more
    SAIC (01/06/26)
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