Federal Security Defense Jobs in California

Job Category: IT/TechnicalRequisition Number: DATAA002298Apply nowPosting Details Posted: September 28, 2026 Full-Time On-site Locations Showing 1 location Ft. B...

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-B...

Qwaltec is in the business of ensuring mission control, ground segment, launch, and spacecraft operations are safe, efficient, and cost effective. We are an established women-owned small business maki...

OverviewJob SummaryGalapagos Federal Systems LLC is seeking a highly experienced Program Manager, Subject Matter Expert (SME) to lead the execution and oversight of mission-critical programs supportin...

Position Title: Senior Acquisition / Portfolio Management SME – SSC Location: El Segundo, CA Category: Contingent Schedule (FT/PT): Full-Time Travel Required: Up to 10% Shift: Day Remote Type: Onsite ...

Duties You will work in a Department of Defense contract writing system. You will prepare Statements of Work and/or Performance Work Statements for Department of Defense contracts. You will read and...

Position Title: Executive Administrative Support / Task Management Analyst Location: El Segundo, CA Category: Contingent Schedule (FT/PT): Full-Time Travel Required: Up to 10% Shift: Day Remote Type:...

Position Title: Senior Cost Analyst / Estimator – Space Acquisition Location: El Segundo, CA Category: Contingent Schedule (FT/PT): Full-Time Travel Required: Up to 10% Shift: Day Remote Type: Onsite...

Position Title: Senior Financial Management / PPBE Analyst Location: El Segundo, CA Category: Contingent Schedule (FT/PT): Full-Time Travel Required: Up to 10% Shift: Day Remote Type: Onsite Clearance...

POSITION: Executive Assistant LOCATION: El Segundo, CA REQUIRED SECURITY CLEARANCE: Active TS with SCI eligibility POSITION TYPE/STANDARD WORK HOURS: Full time, 40 hours THE OPPORTUNITY: Upon aw...

Duties You will issue visitor and vehicle entrance passes to authorized persons as directed by rules, regulations, and guidelines. You will conduct local files checks to determine the existence or a...

Duties You will conduct on-site and remote information systems operations as part of a team of government and contractor personnel, and perform analysis, design, development, testing, installation e...

POSITION: Executive Administrator LOCATION: El Segundo, CA REQUIRED SECURITY CLEARANCE: Secret POSITION TYPE/STANDARD WORK HOURS: Full time, 40 hours THE OPPORTUNITY: Upon award, BTAS will be fi...

If you have an active Federal security clearance, defense contractors working with ClearanceJobs.com are seeking transitioning military service members and civilians with clearance for multiple open j...

Position Title: Acquisition & Program Management Analyst Location: El Segundo, CA Category: Contingent Schedule (FT/PT): Full-Time Travel Required: Up to 10% Shift: Day Remote Type: Onsite Cleara...

NexGen Data Systems is seeking an IT Subject Matter Expert. This position provides high-level technical guidance, strategic architecture, and operational oversight for enterprise-level Storage Area Ne...

READY TO JOIN OUR TEAM? Do you have five years’ experience performing pre-award and post-award acquisition related functions? Do you have DAWIA Certification in the Contracting Career Field (or FAC- C...

Duties You will represent the command at higher-echelon levels to develop principles and policies aimed at improving organization-wide integrity and accountability. You will deliver persuasive brief...

ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareho...

OverviewJob SummaryGalapagos Federal Systems LLC is seeking a highly qualified and motivated Acquisition Specialist - Subject Matter Expert (SME) to join our team. This position offers an excellent op...