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Security Jobs in Fairfield, CA

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Security • fairfield ca

Last updated: 10 hours ago

Remote SOC Investigation Specialist Talent Network - AI Trainer ($70-$95 per hour)

MercorVacaville, California, US
Remote
Part-time

Mercor is hiring SOC Investigation Specialist** on behalf of high-growth technology and enterprise partners building next-generation SOC automation and AI-driven investigation systems.This role is ...Show more

Remote SOC Investigation Specialist Talent Network - AI Trainer ($70-$95 per hour)

MercorFairfield, California, US
Remote
Part-time

Mercor is hiring SOC Investigation Specialist** on behalf of high-growth technology and enterprise partners building next-generation SOC automation and AI-driven investigation systems.This role is ...Show more

31B Military Police - Police Officer

Army National GuardFairfield, CA
Part-time

Have you ever dreamed of making an impact? How about serving your community, State, and Nation? As a Military Police Officer for the Army National Guard, you’ll do all of these things by protecting...Show more

Field Installer II

V2XFairfield, California, United States
Full-time

This position description is subject to change at any time as needed to meet the requirements of the program or company.Advantor Systems is a wholly-owned subsidiary of V2X, LLC.Working across the ...Show more

Network Architect

Blackstone Talent GroupVacaville, CA, US
Temporary
Quick Apply

Blackstone Talent Group, an award-winning technology consulting and talent agency is seeking a Network Architect to join our Client's team.Expert knowledge of Palo Alto Network Firewall, CloudFlare...Show more

Remote Procurement & Vendor Expert - AI Trainer ($75-$100 per hour)

MercorFairfield, California, US
Remote
Part-time

What you'll do** Mercor is partnering with leading AI labs to advance frontier agent evaluations in procurement.As a Procurement & Vendor Expert, you'll build long-horizon sourcing tasks that mirro...Show more

SECURITY SPECIALIST

Department of the Air ForceTravis Afb, CA, United States
Full-time

DUTIES: DUTY 1: Implements and administers the Information Security Program for the installation.DUTY 2: Administers the Industrial Security Program.Reviews solicitation and contract documents to e...Show more

Senior Project Manager Infrastructure - IT/OT (incl. Security) in Pharma 3 days onsite in Vacaville

Fusion ConsultingVacaville, California, United States
Full-time

We are seeking a Senior IT/OT Infrastructure Project Manager to lead the implementation of a global OT domain supporting IT/OT separation, improved security, and centralized identity management in ...Show more

 • New!

Electrical Engineer

Software Galaxy Systems, LLCVacaville, California, United States
Temporary
Quick Apply

We re Hiring: Electrical Engineer (Level 2) Vacaville, CA.Work Authorization: US Citizen / Green Card / EAD.Join us in supporting operations and leading key projects at the Vacaville site.Perform d...Show more

Network Architect

ADVANTIS Global Inc.Vacaville, California
Full-time

Vacaville,CaliforniaInfrastructure/Networking/Solutions ArchitectureRemote Work Option:YesJob ID:Employment Type:ContractPay Rate:Base Salary:$80.ABOUT THIS FEATURED OPPORTUNITY.Our client is searc...Show more

Construction Surveillance Technician

IDS InternationalFairfield, CA, US
Full-time
Quick Apply

IDS believes in resolving conflict, building innovative approaches to do so.Combining operational expertise with an intimate understanding of today’s greatest challenges, we bring our customers the...Show more

Remote Cyber Benchmark Pre-work - AI Trainer ($85-$140 per hour)

MercorFairfield, California, US
Remote
Full-time

Cybersecurity Engineer - Blue Team** **About the Role** Offensive AI benchmarks are everywhere.Blue-team evaluation is almost nonexistent.We're building the infrastructure to change that — credible...Show more

SECURITY SPECIALIST Jobs

Clearance JobsTravis Afb, CA, United States
Part-time

Travis AFB, CA Top Secret Polygraph Unspecified Career Level not specified Salary not specified.Duties DUTIES: DUTY 1: Implements and administers the Information Security Program for the installati...Show more

 • New!

Remote Multilingual Call Evaluation & Transcription Contractors - AI Trainer ($50-$50 per hour)

MercorVacaville, California, US
Remote
Full-time

Overview** We’re launching a new multilingual evaluation sprint where you will participate in a short, high-intensity sprint focused on **call evaluation and transcription tasks**.This is a fast-mo...Show more

MAINTENANCE HIGH VOLTAGE ELECTRICAL WORKER (JOURNEYMAN LINEMAN)

City Light & Power, IncFairfield, CA, US
Full-time

Maintenance High Voltage Electrical Worker (Journeyman Lineman) Location: Fairfield, CA - Travis Air Force Base, CA City Light & Power, Inc.CLP) is seeking qualified High Voltage Journeyman Lineman...Show more

Systems Engineer II - Security (Full Time, Day)

NorthBay HealthcareFairfield, CA, US
Full-time

At NorthBay Health the Systems Engineer II - Security is responsible for the administration and security of a complex multi-platform systems configuration as well as providing, assistance to the Te...Show more

AIR COMMANDER (PILOT)

Navstar Inc.Travis Afb, CA, United States
Full-time

Air Reserve Technician Officer.The primary purpose of this position is to serve as Air Reserve Technician (ART) officer to serve as the senior ART/Commander and as such, be responsible for planning...Show more

SALES FLOOR ASSOCIATE

Dollar TreeSuisun City, California
Full-time

Dollar Tree is seeking motivated individuals to support our Stores as we provide essential products at great values to the communities we serve.Responsible for assisting with the complete operation...Show more

Remote Procurement & Vendor Expert - AI Trainer ($75-$100 per hour)

MercorVacaville, California, US
Remote
Part-time

What you'll do** Mercor is partnering with leading AI labs to advance frontier agent evaluations in procurement.As a Procurement & Vendor Expert, you'll build long-horizon sourcing tasks that mirro...Show more

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Remote SOC Investigation Specialist Talent Network - AI Trainer ($70-$95 per hour)

Remote SOC Investigation Specialist Talent Network - AI Trainer ($70-$95 per hour)

MercorVacaville, California, US
30+ days ago
Job type
  • Part-time
  • Remote
Job description
  • Mercor is hiring SOC Investigation Specialist on behalf of high-growth technology and enterprise partners building next-generation SOC automation and AI-driven investigation systems. This role is ideal for experienced SOC analysts who can apply real-world investigative judgment to review, validate, and construct high-quality security investigations across SIEM, endpoint, cloud, and identity environments.
  • Responsibilities - Review, monitor, and evaluate SOC alerts and investigation outputs based on predefined scenarios and criteria. - Distinguish true positives from false positives by validating investigative evidence and alert context. - Perform end-to-end security investigations when required, including log analysis, entity pivoting, timeline reconstruction, and evidence correlation. - Assess the correctness, completeness, and quality of SOC investigations produced by automated or human workflows. - Apply consistent investigative judgment while recognizing that multiple valid investigation paths may exist for the same alert. - Make clear binary determinations (e.g., ACCEPT / PASS) while also producing detailed ground-truth investigations when required. - Use Splunk extensively to pivot across logs, entities, and timelines, including reading and reasoning about SPL queries. - Maintain clear and accurate documentation of investigative steps, assumptions, evidence, and conclusions. - Collaborate with program leads and other expert annotators to uphold high-quality investigation and annotation standards. - Mentor or support other analysts where applicable, particularly in long-term or lead annotator roles. * * * ### Requirements - 3+ years of hands-on experience as a SOC analyst in a production SOC environment (Tier 2 or above strongly preferred). - Strong understanding of alert triage, incident investigation workflows, and evidence-based decision-making under time constraints. - Mandatory hands-on experience with Splunk , including : - Conducting investigations using Splunk - Reading, understanding, and reasoning about SPL queries - Pivoting between logs, entities, and timelines - Proven ability to evaluate SOC investigations and determine whether conclusions are valid, incomplete, or incorrect. - Strong investigative judgment and comfort making decisive evaluations. - Fluent English (written and spoken) with strong documentation and communication skills. * * * ### Nice to Have - Experience with Endpoint Detection & Response (EDR) tools such as CrowdStrike Falcon, Microsoft Defender for Endpoint, or SentinelOne. - Experience analyzing cloud security logs and signals : - AWS (CloudTrail, GuardDuty) - Azure (Activity Log, Defender for Cloud) - GCP (Cloud Audit Logs) - Familiarity with Identity & Access Management platforms such as Okta Identity Cloud or Microsoft Entra ID (Azure AD). - Experience with email security tools like Proofpoint or Mimecast. - SOC leadership or mentoring experience. - Basic scripting experience (Python or similar). - Security certifications (optional) : GCIA, GCIH, GCED, Splunk certifications, Security+, CCNA, or cloud security certifications. * * * ### Why Join - Work on cutting-edge SOC automation and AI-driven investigation systems. - Apply real-world SOC expertise to shape how future security teams investigate and respond to threats. - Take ownership of high-impact investigative evaluations and ground-truth security cases. - Collaborate with experienced SOC practitioners, security engineers, and AI teams. - Join Mercor’s global network of vetted security professionals.