San Mateo, CA

Cybersecurity Jobs in San Mateo, CA

3 jobs found

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20d ago

Principal Network Security Engineer

roblox San Mateo, CA

San Mateo, CA

20d ago

$326k - $385k/yr Full time Engineer Information Security InfoSec

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Job Description

Roblox is seeking a Principal Network Security Engineer to join its Network Security pod and help shape the company’s network security strategy and controls. In this role, you will work closely with InfoSec and infrastructure engineering teams to strengthen network defenses, protect services, and support secure platforms.

What you’ll do

Identify security vulnerabilities and gaps across network infrastructure, propose remediation approaches, and drive engineering work for implementation while partnering with infrastructure teams on improvements.
Design, develop, and optimize new solutions and systems using software engineering skills and system-level thinking to mitigate external threats and internal risks to Roblox’s networks.
Provide network security design reviews and guidelines for Roblox’s tools, services, and platforms.

What you bring

8+ years of relevant professional experience.
Ability to write high-performance code for large-scale distributed services using at least one language such as Golang or C++, with interest in learning new languages and technologies.
Experience designing and building production-grade services in networking and security, including L4/L7 network proxies, load balancers, IDS/IPS, and firewalls.
In-depth knowledge of network routing and protocols (for example TCP/UDP, DHCP, DNS), plus attack vectors, techniques, and remediations.
Experience with advanced packet processing technologies and frameworks such as DPDK and eBPF is a plus.
Comfort collaborating with your direct team and cross-functional partners.
Hands-on experience building high-performance, reliable systems, with strong depth in networks or security.
Ability to gather data and make informed decisions when answers are not clear.
A tendency to challenge the status quo when it no longer fits, including taking on large and complex challenges.

Technologies you’ll work with

Golang, C++
L4/L7 network proxies, load balancers
IDS/IPS, firewalls
TCP/UDP, DHCP, DNS
DPDK, eBPF

Location and compensation

Location: San Mateo, CA (onsite)
Base pay range: USD 326,060 to 385,050 per year

Office schedule

Onsite Tuesday, Wednesday, and Thursday
Optional presence on Monday and Friday (unless otherwise noted)

Benefits

All full-time employees are eligible for equity compensation and benefits as described on the company’s benefits page.

Work authorization note

For US-based roles only: the company may not be able to employ candidates for certain US work authorization related to specific visa categories, or support future H-1B sponsorship for this role at this time.

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1mo ago

Security Analyst - Dedicated GSOC

Global Guardian San Mateo, CA

San Mateo, CA

1mo ago Closed

$100k - $105k/yr Full time Cybersecurity Operations Gsoc Incident Response

This position is no longer accepting applications (closed Nov 8, 2026).

Job Description

Join the Global Security Operations Center (GSOC) team to support 24/7 monitoring, analysis, dispatch, and incident reporting on-site.

Responsibilities

Provide centralized monitoring for critical events including natural disasters, civil unrest, and cyber threats, with rapid outreach to impacted personnel and stakeholders.
Perform predictive and real-time analysis to assess and manage security, safety, and product-related risks; issue real-time threat alerts to support decision-making and incident reduction.
Monitor and track mission-critical operations and employee locations in real time to support team safety and rapid adjustments to evolving threats or logistical changes.
Assess travel-related risk inputs including flight patterns, hotel locations, high-risk destinations, and transportation options to improve traveler safety and risk-reduction strategies.
Dispatch security officers, facilities, and on-site EMS personnel as needed using telephone and/or radio during security or medical incidents.
Answer routine and emergency calls, serving as a calm, collected security contact for people in distress.
Maintain accurate records for security systems maintenance, tracking repairs, problematic devices, and escalating damaged equipment to the Systems Team to ensure end-to-end repair completion.
Use mass communication systems to send urgent messages to the Crisis Management Team and operational leaders in line with established protocols.
Collect, compile, and report information on thefts, alarms, accidents, and other incidents occurring during duty.
Monitor Closed Circuit Television (CCTV), escalate threat detections, and maintain detailed alarm tracking records.
Operate multi-line telephone and radio equipment.
Escalate critical event information and complaints without delay to the shift supervisor, Site Ops Manager, and GSOC manager.
Support coordinated crisis response by building relationships with third-party security providers, law enforcement, and emergency services.
Provide limited access badge support, including operation of digital camera equipment, badge printing, coordination of badge activation, and distribution of new and/or replacement badges.
Perform other duties as assigned.

Requirements

Bachelor’s degree in Security Management, Emergency Management, Criminal Justice, or a related field is highly recommended and/or more than 3 years of experience in emergency management, crisis management, emergency operations centers, or a related field.
Familiarity with video surveillance, access control, threat intelligence, mass notification, and incident case management systems.
Professional certifications such as Certified Protection Professional (CPP), Physical Security Professional (PSP), or equivalent are desirable.
Exceptional vigilance and attention to detail.
Strong analytical and problem-solving skills.
Excellent interpersonal and communication abilities.
Ability to work independently and make decisive, well-informed decisions.
Proven capability handling high-stress situations and de-escalating conflicts.
Emotional intelligence and awareness to manage high stress with candor.

Technologies

Video surveillance
Access control
Threat intelligence
Mass notification
Incident case management systems
Mass communication systems
Closed Circuit Television (CCTV)
Multi-line telephone and radio equipment
Digital camera equipment
Badge printer

Position Details

Location: San Mateo, CA (onsite)
Schedule: Full-time; GSOC operates 24/7 with shift schedule
Salary: USD 100,000 - 105,000 per year
Position type: Salaried, exempt professional
Start date: January 1st, 2027
In-person requirement: 100% on site at the client location

Work Environment and Physical Demands

Exposure to stressful situations, including challenging individuals and high-alert security issues.
Exposure to sensitive and confidential information.
Regular computer usage.
Frequent sitting and standing.

Global Guardian Values

Hyper-responsive
Find a way to “yes”
Do what we say
Work as a team

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1mo ago

Cybersecurity Analyst

Abasys Technologies(ATI) San Mateo, CA

San Mateo, CA

1mo ago Closed

Full time Backup And Disaster Recovery Business Continuity Incident Response

This position is no longer accepting applications (closed Oct 29, 2026).

Job Description

This onsite Cybersecurity Analyst role supports proactive information security, governance adherence, and incident readiness across internal and customer infrastructure.

Responsibilities

Support ATI and client proactive information security and risk mitigation efforts, including audits and risk assessments.
Track adherence to governance and information security policies, including planned activities such as patch management, configuration reviews, and network scans.
Analyze security events that require research, documentation, and escalation.
Test, update, and maintain incident response, disaster recovery, and business continuity plans.
Stay current on the latest security and technology developments.
Assist with the creation, maintenance, and delivery of cybersecurity awareness training for colleagues.
Recommend improvements to enhance the current security toolset.
Identify potential security weaknesses and implement measures such as firewalls and encryption.
Maintain an information security risk register and support internal and external audits related to information security.

Requirements

Bachelor’s Degree and at least 2 years of work experience in the Information Security field.
Familiarity with security and compliance frameworks including NIST, PCI, and SOC.
Relevant security certification, or a desire to obtain one.
Demonstrated ability and willingness to learn, teach, and share knowledge.
Broad knowledge of computer networking and cloud technologies.
Excellent written, verbal, analytical, problem-solving, and organizational skills.
Excellent corporate work ethic (timely, respectful, considerate, honest).
Ability to work with minimal supervision and complete assigned tasks on schedule.
Proficient communicator using the Microsoft Office suite.

Technologies

NIST
PCI
SOC
Microsoft Office suite
Firewalls
Encryption

Preferred Certifications

CISSP
CISM
CRISC
CISA
Security+

Location: San Mateo, CA (onsite)

Experience: 2+ years

Education: Bachelor’s Degree

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Cybersecurity Jobs in San Mateo, CA

Principal Network Security Engineer

Security Analyst - Dedicated GSOC

Cybersecurity Analyst

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