Security Engineer Jobs in Los Angeles, CA

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Contract Program Security Officer

SAIC

El Segundo, California, USA

Full-time

Job ID: 2507335 Location: EL SEGUNDO, CA, US Date Posted: 2025-07-08 Category: Cyber Subcategory: Cybersecurity Spec Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description Are you an experienced Contract Program Security Officer (CPSO) who is ready to make your mark on an exciting space contract? Join our innovative team here in sunny El Segun

Personnel Security Specialist

ManTech

El Segundo, California, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Personnel Security Specialist II to join our team in El Segundo, CA. The Personnel Security Specialist's primary function is to handle personnel security functions in support of the customer's facility and organization. The position will provide "day-today" PERSEC services for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities. Responsibilities include but are not limited to: Build and Mainta

Personnel Security Specialist

ManTech

El Segundo, California, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Personnel Security Specialist II to join our team in El Segundo, CA. The Personnel Security Specialist's primary function is to handle personnel security functions in support of the customer's facility and organization. The position will provide "day-today" PERSEC services for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities. Responsibilities include but are not limited to: Build and Mainta

IT Security Systems Analyst - Los Angeles - HYBRID - 2 Days onsite

Kapsons LLC

Beverly Hills, California, USA

Full-time

A Fortune 500 company is seeking an experienced IT Security Analyst to support the security and compliance of enterprise systems, infrastructure, and applications. With a strong national presence and a culture rooted in innovation and collaboration, this organization offers the opportunity to work in a fast-paced, forward-thinking environment. The ideal candidate will be based in Los Angeles or Houston and available to work on a hybrid schedule (2 days onsite per week). Remote candidates will al

Personnel Security Specialist

ManTech

Los Angeles, California, USA

Full-time

Personnel Security Specialist II ManTech seeks a motivated, career and customer-oriented Personnel Security Specialist II to join our team in El Segundo, CA. The Personnel Security Specialist's primary function is to handle personnel security functions in support of the customer's facility and organization. The position will provide "day-today" PERSEC services for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities. Responsibilities include but are

Principal Security Researcher

Request Technology, LLC

Remote

Full-time

We are unable to sponsor as this is a permanent full-time role A prestigious company is looking for a Principal Security Researcher. This principal will reverse engineer malicious binaries to find ransomware samples. The principal must have experience with languages such as Python, Ruby, C++, Rust, and cryptographic algorithms. Responsibilities: Reverse engineer malicious or unknown binaries to find insights and intelligence in ransomware samples and threat actor toolkitsUse and develop tools

Personnel Security Specialist

ManTech

Los Angeles, California, USA

Full-time

Personnel Security Specialist II ManTech seeks a motivated, career and customer-oriented Personnel Security Specialist II to join our team in El Segundo, CA. The Personnel Security Specialist's primary function is to handle personnel security functions in support of the customer's facility and organization. The position will provide "day-today" PERSEC services for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities. Responsibilities include but ar

Director of Application Security / Fully Remote / Financial Services

Motion Recruitment Partners, LLC

Remote or Los Angeles, California, USA

Full-time

Job Description This is a full time, direct hire IT leadership role fully remote. You'll join a market leading organization generating over $1B in annual revenue and serving enterprise clients worldwide. The technology stack spans AppSec, DevSecOps, multi cloud environments (AWS/Azure/Google Cloud Platform), and modern security automation tools. Imagine reporting directly to the CISO and shaping the future of application and cloud security for one of the world's foremost hospitality platforms.

Director of Product Security Architecture

DFND Security

Remote

Contract

We are looking for a Director or Product Security Architecture for a position expected to start right away. The position is expected to be a contract to hire, est hours and work from home. Some more details are below. Please let me know if you are interested and when a good time is to get in touch with you. Thanks for your time. You will be responsible for defining a broad and detailed technical strategy for security that encompasses all products, including next-gen software solutions, existing

Head of Security Engineering & Architecture/ 5 days - On-Site/ DTLA/ Mandarin Speaking

Motion Recruitment Partners, LLC

Los Angeles, California, USA

Full-time

Job Description A global leader in e-commerce is looking for a Head of Security Engineering & Architecture, full-time and 100% onsite in DTLA. Their Security Engineering hub is based in Los Angeles, and they are looking for someone to oversee their Security Engineering, SecOps, AppSec, and Security Architecture functions reporting directly to the CISO. Ideal candidates will have a strong leadership presence, experienced managing a lean high performing team, as well as being equipped with experi

Cybersecurity Analyst I

Relativity Space

Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex

Senior Architect Security (Checkpoint, Cisco ISE)

Alpha Silicon

US

Third Party, Contract

Title: Senior Architect Security (Checkpoint, Cisco ISE) Location: Remote Terms: Contract Job Description Job Summary: We are seeking a highly experienced and technically proficient Data Center Network & Security Engineer to lead the design, deployment, and management of complex network and security infrastructures. The ideal candidate will have deep expertise across a wide range of technologies including Cisco Nexus, Check Point, Cisco ISE, Palo Alto, Arista, HP Aruba, and Cisco SD-

REMOTE Cloud Engineer

ALTA IT Services

Remote or Greenbelt, Maryland, USA

Full-time

ALTA IT has a Direct Hire position open for a Cloud Engineer. If you or anyone you know is interested in learning more, please send your updated resume to Looking forward to working with you! REMOTE Cloud Engineer ship is required Active Treasury clearance is preferred Responsibilities: Design, implement, and manage secure cloud architectures on platforms such as AWS, Azure, and/or Google Cloud Platform. Utilize extensive system administration experience to ensure seamless operations and hig

Technical Program Manager - Security

Stell

Los Angeles, California, USA

Full-time

Job DescriptionStell Engineering, Inc Early stage start-up - $7M+ in VC funding Must be US citizen, must have ability to obtain and maintain security clearance if required Team of aerospace veterans with deep supplier quality engineering expertise: Raytheon, Airbus, Anduril, Hadrian, Palantir, SpaceX, Mission Control Base salary range $120-$160k/year We are actively hiring for this position, start date is ASAP About StellStell helps engineers at hardware companies in heavily-regulated indus

Senior Director, Information Systems and Security

Arete

Los Angeles, California, USA

Full-time

At Aret, we are on the forefront of utilizing innovative solutions, with great minds from all backgrounds, to help solve the nation's most complex security challenges. We strive for an inclusive, collaborative team environment that approaches differences as opportunities for innovation and excellence. As an employee-owned company, we foster an atmosphere that propels diverse career opportunities and professional growth. Discover your future with us. The Senior Director, Information Systems and

Cybersecurity Engineer

Irvine Technology Corporation (ITC)

Remote or Dallas, Texas, USA

Contract

Cybersecurity Engineer Our client is seeking a strategic-minded security engineer to lead detection engineering and SIEM operations while serving as a key escalation point for partners. This is a high-impact role that blends technical oversight, mentorship, and detection engineering perfect for someone who enjoys enabling others while shaping the future of enterprise-scale threat monitoring. Location: Remote Will work CST hoursCompensation: $60-68/hour W2Duration: 6 month contract-to-hireNo Vis

Physical and Industrial Security Specialist

Arete

Los Angeles, California, USA

Full-time

At Aret, we are on the forefront of utilizing innovative solutions, with great minds from all backgrounds, to help solve the nation's most complex security challenges. We strive for an inclusive, collaborative team environment that approaches differences as opportunities for innovation and excellence. As an employee-owned company, we foster an atmosphere that propels diverse career opportunities and professional growth. Discover your future with us. Arete is seeking an experienced Physical and

Director of Application Security / Remote

Motion Recruitment Partners, LLC

Remote or Los Angeles, California, USA

Full-time

Job Description The largest Business Travel organization in the world is looking for a Director of Application of Security, full-time, 100% remote, and report directly to the CISO. Ideal candidates will have a strong background in Enterprise environments. A candidate who is experienced in AppSec/DevSecOps/Cloud Security Leadership, as well as strong organization wide communication would be a great fit for this organization. Required Skills & Experience Strong Background in AppSec/DevSecOps/Clo

Acquisition Security Analyst

ManTech

Los Angeles, California, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Acquisition Security Analyst II to join our team in El Segundo, CA. The Acquisition Security Analyst II will assist the Government Program Manager with the development and implementation of comprehensive program protection methodologies to protect advanced technology programs throughout the system's lifecycle. Performance shall include: In-depth lifecycle program analysis to identify critical program information (CPI), Critical System Res

Acquisition Security Analyst

ManTech

Los Angeles, California, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Acquisition Security Analyst II to join our team in El Segundo, CA. The Acquisition Security Analyst II will assist the Government Program Manager with the development and implementation of comprehensive program protection methodologies to protect advanced technology programs throughout the system's lifecycle. Performance shall include: In-depth lifecycle program analysis to identify critical program information (CPI), Critical System R