• Principal Security Engineer

    AVEVA (Lake Forest, CA)
    …**.** **Position:** Principal Security ... Range:** $123,500.00 - $205,900.00 **About the Role:** We're looking for a ** Principal Security Engineer ** to lead our application security efforts… more
    AVEVA (12/06/25)
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  • Senior Principal Security

    Providence (Irvine, CA)
    …retain the best people, we must empower them.** **Providence Health is seeking a Senior Principal Security Engineer with a threat hunting and cyber threat ... resolution of those issues. + In depth experience designing security controls and countermeasures for operating systems, databases, applications,...experience in a dedicated threat hunting role at the Principal or Senior Principal level, or an… more
    Providence (11/27/25)
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  • Principal Security Engineer

    Providence (Irvine, CA)
    …the best people, we must empower them.** **Providence is looking for a seasoned Principal Security Engineer with deep expertise in Cyber Threat Intelligence. ... emerging threats, safeguarding critical systems, and empowering Providence's Global Security Operations Center. Your insights will directly inform risk strategies… more
    Providence (11/28/25)
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  • Principal Systems Cyber Engineer

    RTX Corporation (Fullerton, CA)
    …problems that create a safer, more secure world. Raytheon is seeking a well-qualified ** Principal System Security Engineer (P4)** to join our Systems ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (12/09/25)
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  • Principal Embedded Software Engineer

    Silvus Technologies (Irvine, CA)
    …system including device drivers, networking functions and services, encryption, and security features. The **_Principal Embedded Software Engineer_** will be based ... management software and web interface implementation. + Implementation of different security protocols and encryption algorithms. + Audio streaming and push-to-talk… more
    Silvus Technologies (10/02/25)
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  • Principal Civil Engineer

    Parsons Corporation (Irvine, CA)
    …**Opportunity:** Our **Parsons Irvine, California office** is now hiring for a highly experienced ** Principal Engineer ** to join our team! In this role you will ... clients** . **Overview:** Parsons has an exciting job opportunity for a ** Principal Engineer ** to join the expanding transportation infrastructure team with… more
    Parsons Corporation (10/31/25)
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  • Senior Principal SEIT Engineer

    RTX Corporation (Anaheim, CA)
    …Managed by Collins Aerospace **Applied Signal Technology (AST** ) is seeking a **Senior Principal SEIT Engineer ** who strives for excellence and have a passion ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...while embracing integrity, innovation and work-life balance. The **Senior Principal SEIT Engineer ** will have a strong… more
    RTX Corporation (10/09/25)
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  • Senior Principal Software Engineer

    RTX Corporation (Anaheim, CA)
    …by Collins Aerospace **Applied Signal Technology (AST** ) is seeking a **Senior Principal Software Engineer ** with deep expertise in Global Navigation Satellite ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...balance. We are seeking an innovative and mission-driven **Senior Principal Software Engineer ** with deep expertise in… more
    RTX Corporation (10/07/25)
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  • Principal Software Systems Engineer

    Medtronic (Northridge, CA)
    …can blend innovation with rigor - and we are seeking such a leader. The Principal Software Systems Engineer will be at the forefront of advancing CareLink ... and drive process maturity. Partnering closely with PMO, technical writers, and security analysts, you will deliver high-quality outcomes on time and at scale.… more
    Medtronic (12/03/25)
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  • Apartments.com - Principal Software…

    CoStar Realty Information, Inc. (Orange County, CA)
    Apartments.com - Principal Software Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential ... our customers. Learn more about Apartments.com (https://www.apartments.com/grow/about-us) . As a ** Principal Software Engineer ** , you will proactively lead the… more
    CoStar Realty Information, Inc. (10/01/25)
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  • Senior Principal Software Engineer

    RTX Corporation (Anaheim, CA)
    …at hiring manager discretion.** Applied Signal Technology (AST) is seeking a **Senior Principal Software Engineer ** who strives for excellence and have a passion ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (12/11/25)
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  • Principal Reverse Systems Engineer

    RTX Corporation (Anaheim, CA)
    …at hiring manager discretion.** Applied Signal Technology (AST) is seeking a ** Principal Reverse Systems Engineer ** who strives for excellence and has ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (10/15/25)
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  • Principal Embedded Software Engineer

    Silvus Technologies (Irvine, CA)
    …the system including device drivers, networking functions and services, encryption, and security features. This position is fully onsite, Monday through Friday, at ... management software and web interface implementation. + Implementation of different security protocols and encryption algorithms. + Audio streaming and push-to-talk… more
    Silvus Technologies (12/06/25)
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  • Principal Embedded Software Engineer

    Silvus Technologies (Irvine, CA)
    …a pathway to a fulfilling career._ THE OPPORTUNITY Silvus is seeking a full-time Principal Embedded Software Engineer to join our Engineering Group, reporting to ... the system including device drivers, networking functions and services, encryption, and security features. The position is located at Silvus headquarters in the… more
    Silvus Technologies (12/01/25)
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  • Principal Geotechnical Engineer

    AECOM (Orange, CA)
    …Dams Department in Orange, California office has an immediate need for an experienced Principal Geotechnical Engineer with focus in Dams/Levees to take on a ... or demonstrated equivalency of experience and or education + Professional Engineer 's (PE) license + Driver's License **Preferred Qualifications** + Master's degree… more
    AECOM (10/09/25)
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  • Principal Data Engineer

    Americor (Irvine, CA)
    …our outstanding service and commitment to excellence. We are currently seeking a Principal /Lead Analytics Engineer to join our rapidly growing team. Specific job ... robust, and efficient data pipelines. + Demonstrate and ensure best practices for data security , data validation and data quality are in place and maintained. + Stay… more
    Americor (12/11/25)
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  • Senior Principal Electrical Engineer

    Leonardo DRS, Inc. (Cypress, CA)
    …systems for surveillance and targeting applications. We are seeking a Senior Principal Electrical Engineer to join the company in the development ... and local travel. US Citizenship required. This position requires an active DOD security clearance or the ability to obtain such clearance within a reasonable time… more
    Leonardo DRS, Inc. (11/20/25)
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  • Senior Principal Digital Design…

    Leonardo DRS, Inc. (Cypress, CA)
    …systems for surveillance and targeting applications. We are seeking a Senior Principal Digital Design Engineer to join the company in the ... and local travel. US Citizenship required. This position requires an active DOD security clearance or the ability to obtain such clearance within a reasonable time… more
    Leonardo DRS, Inc. (11/20/25)
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  • Principal Mechanical Engineer

    Leonardo DRS, Inc. (Cypress, CA)
    …systems for surveillance and targeting applications. We are seeking a highly motivated Principal Mechanical Engineer with a strong background in thermal analysis ... and local travel. US Citizenship required. This position requires an active DOD security clearance or the ability to obtain such clearance within a reasonable time… more
    Leonardo DRS, Inc. (11/20/25)
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  • Senior Principal Geologist/ Engineer

    Stantec (Irvine, CA)
    …products before they are submitted to clients. - Exemplify Health, Safety, Security , and Environment (HSSE) Policies, Procedures, Standards and Guidelines in the ... Engineering, or Science Bachelor's Degree. Licensed Professional Geologist or Engineer preferred. 20+ years of environmental consulting experience. Typical office… more
    Stantec (12/03/25)
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