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Junior Cybersecurity Engineer Jobs in San Ramon, CA

Cornerstone Defense

Systems Engineer

Sunnyvale, CA · On-site

$100K - $130K/yr

... Junior level through experienced) to support mission-critical systems in a dynamic environment. This role blends systems administration, configuration management, cybersecurity, and engineering ...

Kai Cyber, Inc.

Senior DevOps Engineer

San Jose, CA · On-site

$152K - $195K/yr

Kai is the AI company rebuilding cybersecurity for the machine-speed era. Founded by second time ... Mentor junior engineers and promote DevOps culture across teams WHAT YOU'LL BRING Required:

CrowdStrike

Sr. Engineer - Cloud (Hybrid)

Sunnyvale, CA · Hybrid

$122K - $168K/yr

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies ... Guide junior engineers and contribute to technical decision-making processes * Service Reliability:

Irhythmtech

Staff Firmware Engineer

San Francisco, CA · Hybrid

Guide firmware-side cybersecurity decisions in partnership with product security, including areas ... Mentor junior engineers through design discussions, code reviews, and day-to-day technical guidance.

Doppel Inc

Software Engineer, Autopilot

San Francisco, CA · On-site

$150K - $350K/yr

Our team combines deep cybersecurity expertise, operational rigor, and startup velocity to solve ... Mentor junior engineers, foster a high-performing team culture, and shape the team roadmap * Enjoy ...

Illumio

Staff Engineer

Sunnyvale, CA · On-site

$194K - $233K/yr

We're shaping the future of cybersecurity. And together, we will continue to build world-class ... You will also mentor junior engineers, new-grads, and interns to help them grow as engineers and ...

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All JobsCybersecurity Engineer JobsJunior Cybersecurity Engineer JobsJunior Cybersecurity Engineer Jobs in San Ramon, CA

Junior Cybersecurity Engineer information

See San Ramon, CA salary details

$37.4K

$80.2K

$122.4K

How much do junior cybersecurity engineer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for junior cybersecurity engineer in San Ramon, CA is $80,237.00, according to ZipRecruiter salary data. Most workers in this role earn between $54,200.00 and $89,400.00 per year, depending on experience, location, and employer.

What does a junior cybersecurity engineer do?

A Junior Cybersecurity Engineer supports the development and implementation of security measures to protect an organization's computer systems and networks. They assist with monitoring for security breaches, conducting vulnerability assessments, and responding to incidents. Their role often involves working closely with more experienced engineers to learn best practices, update security tools, and ensure compliance with security policies. Over time, they gain hands-on experience to advance to more senior cybersecurity positions.

What are the key skills and qualifications needed to thrive as a junior cybersecurity engineer, and why are they important?

A Junior Cybersecurity Engineer needs a solid understanding of network security, risk assessment, and basic programming or scripting, usually backed by a degree in computer science, information technology, or a related field. Familiarity with security tools like firewalls, intrusion detection systems (IDS), vulnerability scanners, and certifications such as CompTIA Security+ or Cisco CCNA are highly valuable. Strong problem-solving skills, attention to detail, and effective communication help individuals excel in identifying threats and collaborating with teams. These skills and qualifications are crucial to effectively detect, prevent, and respond to cyber threats, ensuring the safety and integrity of organizational data and systems.

What are some common challenges faced by junior cybersecurity engineers in their first year, and how can they overcome them?

Junior Cybersecurity Engineers often encounter challenges such as keeping up with rapidly evolving threats, understanding complex security tools, and effectively communicating technical findings to non-technical teams. To overcome these, it's helpful to engage in continuous learning through training and certifications, actively participate in team knowledge-sharing sessions, and seek mentorship from experienced colleagues. Building strong foundational knowledge and asking questions regularly can also accelerate your adaptation and confidence in the role.

What is the difference between Junior Cybersecurity Engineer vs Cybersecurity Analyst?

AspectJunior Cybersecurity EngineerCybersecurity Analyst
Required CertificationsCompTIA Security+, Cisco CCNA SecurityCompTIA Security+, GIAC Security Essentials
Work EnvironmentHands-on security system implementation and maintenanceMonitoring, analyzing security incidents, and reporting
Employer & Industry UsageIT departments, cybersecurity firms, tech companiesFinancial institutions, government agencies, corporate security teams

Junior Cybersecurity Engineers focus on implementing and maintaining security systems, while Cybersecurity Analysts primarily monitor and analyze security threats. Both roles require similar certifications and are integral to cybersecurity teams, but they differ in daily responsibilities and focus areas.

What are popular job titles related to Junior Cybersecurity Engineer jobs in San Ramon, CA? For Junior Cybersecurity Engineer jobs in San Ramon, CA, the most frequently searched job titles are:
What job categories do people searching Junior Cybersecurity Engineer jobs in San Ramon, CA look for? The top searched job categories for Junior Cybersecurity Engineer jobs in San Ramon, CA are:
What cities near San Ramon, CA are hiring for Junior Cybersecurity Engineer jobs? Cities near San Ramon, CA with the most Junior Cybersecurity Engineer job openings:
Junior Cybersecurity Engineer jobs near you
Infographic showing various Junior Cybersecurity Engineer job openings in San Ramon, CA as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $80,237 per year, or $38.6 per hour.

Systems Engineer

Cornerstone Defense

Sunnyvale, CA • On-site

$100K - $130K/yr

Contractor

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 26 days ago

Job description

  • Location: Sunnyvale , California
  • Type: Contract
  • Job #3811

Title: Systems Engineer
Location: Sunnyvale, CA
Security Clearance: Secret Required to start (Will eventually have to get Top Secret)
Salary: $100k - $130k
Work Schedule: Onsite | 9/80 work schedule | Department-wide team Fridays with social events
Contract Duration: 6+ months, with potential extensions tied to R&D contract awards
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.
Position Overview:
We are seeking Systems Engineers at varying experience levels (Junior level through experienced) to support mission-critical systems in a dynamic environment. This role blends systems administration, configuration management, cybersecurity, and engineering support across sustainment and development environments. Candidates will work closely with cross-functional teams to ensure system reliability, compliance, and performance.
Junior-level candidates may receive close supervision while learning and applying technical principles, theories, and concepts. More experienced candidates will operate with greater independence, developing solutions to moderately complex problems and collaborating across engineering disciplines.
Responsibilities:
  • Provide systems administration and help desk support for multiple environments, including Windows, Solaris, Red Hat Enterprise Linux, and other operating systems.
  • Perform configuration management, data management, and software builds using CM tools.
  • Develop, implement, and monitor cybersecurity solutions to ensure compliance with security policies and RMF requirements.
  • Install, update, and patch software; troubleshoot and resolve system issues.
  • Develop and maintain technical documentation (e.g., Version Description Documents, job aides).
  • Participate in Agile activities, digital transformation initiatives, and CDRL preparations.
  • Generate, track, and document program and system performance metrics.
  • Provide program-wide information system support, including troubleshooting and remediation.
  • Travel to remote sites as required.

Additional Duties
  • Conduct safe and media audits; manage, control, label, and ship classified/unclassified media.
  • Perform Restricted Data (RD) scans; baseline new and existing documents in SharePoint.
  • Utilize project management tools (e.g., Jira) to manage workflows.
  • Develop and apply automation scripts to streamline processes.
  • Monitor system usage, network performance, and virtual environments.
  • Ensure compliance with configuration management processes; apply OS updates, antivirus solutions, and WSUS patching.
  • Troubleshoot VMS and Solaris issues; execute and monitor system backups.
  • Conduct COTS software assessments; maintain SCAP/STIGS compliance tools.

Qualifications:
  • Education & Experience:
  • Bachelor's degree in engineering, computer science, or related field with 2+ years of experience, or
  • Advanced degree with 2+ years of experience, or
  • Equivalent combination of education, training, and relevant experience.
  • Non-exempt personnel may qualify with appropriate education and/or specialized training plus 2-7+ years of experience.
  • Technical Skills: Familiarity with systems administration, cybersecurity principles, and CM tools.
  • Soft Skills: Strong problem-solving ability, adaptability, and willingness to learn.
  • Clearance: Active Secret clearance required; must be able to obtain Top Secret.
  • Certifications: Security+ required (or ability to obtain within a set timeframe).
    Company Benefits:
    Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.

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