45 entry level security engineer jobs at 30 companies in Vacaville, CA
2mo
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Forward Deployed Security Engineer
Seattle or San Francisco or United States
$125k-$175k/yr RemoteFull Time
2+ YOE2+ years in GRC, privacy, or security engineering; hands-on threat modeling, vendor risk, and security tool integrations; strong project management and customer debugging skills.
Jira, ServiceNow, Confluence, GitHub, Linear
3w
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Security Engineer
Kansas City or Atlanta or Clayton or New York or Los Angeles or Birmingham or Boston or Chattanooga or Charleston or Dallas or Denver or Edwardsville or Fort Lauderdale or Fort Worth or Houston or Jefferson City or Miami or Nashville or Park City or Philadelphia or Phoenix or Raleigh or Seattle or San Francisco or Salt Lake City or Wilmington or Washington
$120k-$150k/yr RemoteFull Time
2+ YOE2-4 years security engineering experience in on-premises environments, Bachelor's in CS/CE/IS or equivalent, experience with metrics/events/logging, detection engineering, scripting (Python, PowerShell), Microsoft Active Directory and Azure.
Splunk, Microsoft Active Directory, Azure, SIEM, Python, PowerShell, Microsoft Teams, Zoom, MITRE ATT&CK Framework, NIST Cyber Security Framework, CIS Controls
3w
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Software Security Engineer (Distributed Systems) MTS
San Francisco, California, United States
$117k-$224k/yr HybridFull Time
2+ YOE2+ years security engineering experience building automation tools; coding in Go, Java, or Python; GCP and Terraform experience; familiarity with CI/CD, SAST/DAST/SCA/SIEM, Linux, and threat modeling.
Go, Java, Python, GCP, Terraform, CI/CD, SAST, DAST, SCA, SIEM, Docker, Kubernetes
1mo
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Security Engineer II, Detection and Response
San Francisco or Vancouver or Phoenix or Los Angeles or Seattle or Austin or Portland or California or United States or Canada
$123k-$165k/yr RemoteFull Time
2+ YOE2+ years in detection/response or security engineering; experience with incident response, AWS + EKS, AI tooling, MacOS internals, and programming in Python or Golang; familiarity with Slack and GSuite; able to take on-call shifts.
Slack, Apple MacOS, GSuite, SIEM, Orchestration platforms, AWS, EKS, AI tooling, Python, Golang
5d
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Systems Security Engineer I
Oregon or Delaware or Connecticut or Arizona or Nebraska or Missouri or Michigan or California or Colorado or Illinois or District of Columbia or Maryland or Massachusetts or New Jersey or Texas or Washington or Virginia or Alaska or San Francisco or New York City
$69k-$136k/yr RemoteFull Time
Proofpoint: Provides cybersecurity solutions for email, cloud, and data protection.
2+ YOEMinimum 2 years hands-on DLP/CASB or information security experience, strong networking and systems administration skills, bachelor\u0002s degree or equivalent preferred, excellent communication and troubleshooting.
Data Loss Prevention (DLP), Cloud Access Security Broker (CASB), Proofpoint, Symantec, McAfee/Trellix, Forcepoint, CloudSOC/Elastica, Skyhigh, Netskope, Windows Server, Unix/Linux, Microsoft SQL Server, Oracle, Regex, Python, PowerShell, Bash, Perl, Java
2w
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Cyber Security Engineer
Livermore, California, United States
$122k-$186k/yr HybridFull Time
U.S. citizenship and ability to obtain DOE Q clearance, bachelor\u0002s degree or equivalent, experience developing in Python, knowledge of networking, containers, git, CI/CD, PKI, OAuth, Active Directory, and operating systems.
Python, Linux, UNIX, Windows, AWS, Azure, C, C#, Java, PowerShell, PHP, git, CI/CD, PKI, OAuth, Active Directory, containers, databases, APIs, logging
4w
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Cyber Security Intern
San Francisco, California, United States
$40-$55/yr HybridInternship
Pursuing Bachelors/Masters in cybersecurity, CS, or related; interest in cloud/data security and SecOps; basic knowledge of GCP/AWS/Azure and SQL; strong communication and analytical skills.
GCP, AWS, Azure, SQL, Cursor, Claude Code, SIEM, CI/CD, LLM
1w
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Electronics Engineer
McClellan, California, United States
$99k-$153k/yr OnsiteFull Time
1+ YOEBachelor's in engineering (ABET or equivalent) plus 1 year specialized experience with FPGA (VHDL/Verilog), PCB design (Altium/Cadence/OrCad), RF simulation/testing, and use of electronic analysis equipment; transcripts and security clearance required.
VHDL, Verilog, Power Analyzers, Signal Analyzers, Network Analyzers, Oscilloscopes, GPS Simulators, Altium, Cadence, OrCad, Anechoic Chambers, CST Studio, Antenna Magus, ADS Software, Electronic Medical Records (EMR)
1mo
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Technology Engineer - (1042) - Security Specialty - Citywide (C00092)
San Francisco, California, United States
$144k-$181k/yr OnsiteFull Time
1+ YOEAssociate degree in CS/CE/IS or equivalent OR 1+ year analyzing/implementing/configuring system/platform components; passing the online Tech Engineer – Security Core Exam required for advancement.
3mo
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Project Engineer - Sacramento CA. Federal Construction
Sacramento, California, United States
$60k-$90k/yr OnsiteFull Time
1+ YOEUndergraduate degree in engineering or construction management; 1+ year project management experience; ability to travel; read blueprints; government security eligibility.
Sage Timberline, Primavera Suretrak, Microsoft Office Suite
1w
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Senior Information Technology Engineer, IT Security (IT/OT Firewall Administration)
Oakland, California, United States
$157k-$191k/yr HybridFull Time
2+ YOEBachelor's degree or equivalent and 2 years IT engineering experience (one at/above IT Engineer II); 5+ years firewall administration experience preferred; skills in enterprise firewalls, routing, VPN, log analysis, incident response and ICS/OT security.
Palo Alto Networks, Cisco, FortiNet, Checkpoint, AWS, Azure, GCP, Wireshark
1w
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Information Security Officer
Sacramento, California, United States
$7k-$11k/mo HybridFull Time
Must hold Information Technology Specialist I exam eligibility, maintain expert knowledge of information security and privacy (ISO 27001, NIST 800-53), clear a background investigation, and be able to perform security engineering and incident response tasks.
ISO 27001, NIST 800-53
5d
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Site Reliability Engineer
San Francisco, California, United States
$248k-$405k/yr OnsiteFull Time
2+ YOEMinimum 2 years infrastructure experience, SRE skills, SLI/SLO/SLA design, disaster recovery, security controls, incident response, strong systems design and failure-mode thinking.
Microsoft Word, LLM, RAG, VPC
1mo
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Physical Security Technology Lead
San Francisco, California, United States
$137k-$206k/yr OnsiteFull Time
2+ YOE2+ years security systems engineering/administration and project management experience; vendor management; proficiency in Microsoft Office and Google applications; ability to develop, procure, and maintain physical security hardware and software; domestic and international travel required.
Microsoft Office, Google applications, Avigilon, OpenPath, Glean, Claude, Gemini, computer-aided drafting systems
2w
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Early Career W87-1 Weapon R&D Electrical Engineer - Drive Next-Generation National Security Technologies, Onsite
Livermore, California, United States
$122k-$238k/yr OnsiteFull Time
Bachelor's in electrical engineering or equivalent experience and ability to obtain and maintain a U.S. DOE Q security clearance.
CAMEO, MBSE
2mo
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Security Analyst
San Francisco, California, United States
RemoteFull Time
1+ YOE1+ year cybersecurity experience (cloud/container preferred); knowledge of detection engineering, incident response, threat analysis; familiarity with Linux, networking, Python/Bash, AWS/GCP/Azure, Docker/Kubernetes; strong communication skills.
Python, Bash, Docker, Kubernetes, AWS, GCP, Azure, Linux, eBPF
2w
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Software Engineer
United States or San Francisco
$96k-$169k/yr HybridFull Time
2+ YOE2-5 years software engineering experience; full-stack JavaScript/TypeScript, Node or Python; frontend (HTML,CSS,React); API design, security, testing, and feature-flag/A-B experience.
Javascript, Typescript, Node, Python, Optimizely, HTML, CSS, React, Claude Code, Cursor, Copilot, Iterable, Twilio, Salesforce, Regal, Webpack
1mo
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Software Engineer II
United States or San Francisco or New York City
$102k-$202k/yr RemoteFull Time
2+ YOEBachelor's degree or equivalent, 2+ years engineering experience coding in C, C++, C#, Java, JavaScript, or Python; on-call DRI responsibilities and ability to meet Microsoft security screening.
C, C++, C#, Java, JavaScript, Python
1w
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Cybersecurity Engineer I (Contract Talent)
San Ramon, California, United States
$34-$51/hr RemoteFull Time
Develop and implement security architectures, support incident response, perform security assessments, and collaborate on secure solutions; Security+ preferred; undergraduate enrollment or equivalent experience.
Hadoop, Splunk, SIEM, Firewall, WIDS, WAF, DLP, RMS, Web proxy, Vulnerability scanner, ServiceNow
1mo
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Software Engineer III, Cloud Security, Identity and Access Management
Sunnyvale or San Francisco
$147k-$211k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent, 2 years C++ development, backend and distributed systems experience, SQL and data modeling, strong communication and critical thinking.
C++, SQL, Google Cloud Platform (GCP)
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