76 security administrator jobs at 59 companies in Cotati, CA
5d
Save
Mark Applied
Hide
IT & Security Administrator
San Francisco or Cambridge
OnsiteFull Time
3+ YOE3+ years IT systems/endpoint administration experience; macOS, Windows, Linux support; identity and access management; MDM and endpoint tooling; networking and hardware troubleshooting; support SOC 2/ISO/ITAR compliance.
Google Workspace, Rippling, SentinelOne, Vanta, Kandji, Jamf, Iru, Docker, GitHub, OPNsense, UniFi, Tailscale, Slack, Zoom, Neat, AWS, MDM
3w
Save
Mark Applied
Hide
Network Security Administrator
San Francisco, California, United States
RemoteFull Time
3+ YOE3+ years in network services or security; knowledge of firewalls, VPN, DDI, NAC, CASB, SASE, IDS/IPS, network protocols, Cisco; experience with Datadog, Panorama, or Firemon; ITIL familiarity; relevant certifications preferred.
Firewalls, DDI (DNS, DHCP and IP Address Management), VPN, Network Access Control, Web Filtering, CASB, SASE, Intrusion Detection/Prevention, Network Packet Broker, Network Traffic Visibility, Datadog, Panorama, Firemon, Cisco Routing and Switching, Juniper Routing and Switching, VMware, Hyper-V, Python, PowerShell, AWS, Azure, Google Cloud Platform, ITIL
3w
Save
Mark Applied
Hide
Network Security Administrator
San Francisco, California, United States
$91k-$145k/yr OnsiteFull Time
3+ YOE3-5 years network/security experience; knowledge of firewalls, IDS/IPS, VPN, DDI, NAC, Web Filtering, CASB, SASE, Cisco routing/switching; familiarity with Datadog, Panorama, Firemon, ITIL; ability to diagnose and resolve complex network issues.
Datadog, Panorama, Firemon, VMware, Hyper-V, AWS, Azure, Google Cloud Platform, Python, PowerShell
3d
Save
Mark Applied
Hide
Security Assistant
San Francisco, California, United States
$63k-$82k/yr OnsiteFull Time
1+ YOEOne year of specialized experience equivalent to GS-6 in personnel security, background investigations, data tracking, database processing, reports, audits, and personal identification card administration; U.S. citizenship required.
Electronic Questionnaires for Investigations Processing (e-QIP), VA-CABS, VA PIV Portal, PIV, Office of Personnel Management (OPM), FBI
2mo
Save
Mark Applied
Hide
Network Administrator
Fairfield, California, United States
OnsiteFull Time
5+ YOE5 years recent network administrator experience; Bachelor's degree in computer science or information systems; strong TCP/IP, routing, switching, VPN, security, and vendor management skills.
Cisco Routers, LAN/MAN switches, VoIP, SAN switching, VMware, PRTG, SolarWinds, NetFlow, Wireshark
2d
Save
Mark Applied
Hide
Security Assistant
Petaluma, California, United States
$63k-$82k/yr OnsiteFull Time
1+ YOEOne year of specialized experience equivalent to GS-6 involving identification card issuance, personnel security, background investigations, fingerprinting, records checks, security logs, incident reports, and counseling.
Defense Enrollment Eligibility Reporting System (DEERS), Real-Time Automated Personnel Identification System (RAPIDS), Electronic Questionnaires for Investigation Processing (E-QIP), USA Hire, E-Verify
2mo
Save
Mark Applied
Hide
Test Center Administrator/ Proctor
Walnut Creek, California, United States
$17/hr OnsitePart Time
High school diploma; customer-facing experience preferred; familiarity with exam environments; MS Office skills; ability to stand/walk ~40%; strong commitment to exam security.
Microsoft Office
1mo
Save
Mark Applied
Hide
Senior Salesforce Administrator
Livingston or New York or Sunnyvale or San Francisco or Bellevue
$153k-$204k/yr OnsiteFull Time
5+ YOE5+ years Salesforce administration experience for enterprise organizations; deep Salesforce Flows and security expertise; experience with GTM tools (Gong, Outreach, LinkedIn Sales Navigator, ZoomInfo), Okta integrations, SOX environments, and M&A system integrations.
Salesforce, Salesforce Flows, Gong, Outreach, LinkedIn Sales Navigator, ZoomInfo, Okta, Apex, SOQL, APIs, Gearset, Copado
4w
Save
Mark Applied
Hide
Salesforce and Integration Administrator
San Francisco, California, United States
$99k-$109k/yr HybridFull Time
5+ YOESalesforce Administrator certification and 5+ years of Salesforce administration experience, expertise in security, integrations, automation, data quality, reporting, and stakeholder collaboration.
Salesforce Lightning Platform, Salesforce Flow, Salesforce Nonprofit Cloud, Power BI, Microsoft 365, APIs, middleware platforms
3mo
Save
Mark Applied
Hide
Flex Security Agent
San Francisco or Menlo Park
OnsiteFull Time, Part Time
Experienced security professional; able to work day, swing, grave; multiple locations; background check required.
2mo
Save
Mark Applied
Hide
IT Systems & Cloud Administrator
South San Francisco, California, United States
$100k-$120k/yr OnsiteFull Time
3+ YOEBachelor's (or equivalent), 3+ years systems administration in hybrid on-prem/cloud environments; Windows Server, AD, Azure and AWS experience; virtualization, monitoring, backup/DR, security, and troubleshooting skills.
Microsoft Azure, AWS, Entra ID, Azure Virtual Desktop, IAM, EC2, S3, VPC, CloudWatch, VMware, Hyper-V, Splunk, Linux, Microsoft 365, Azure AI Services, AWS SageMaker
1mo
Save
Mark Applied
Hide
Sr. Security Engineer
Scottsdale or San Francisco or Chicago or New York City or Phoenix
$132k-$165k/yr HybridFull Time
5+ YOEBachelor's or associate degree in CS/Engineering or equivalent experience; 5+ years IT experience with 3+ years in IT security; experience with vulnerability scanning, endpoint security, Linux/Windows administration, Python scripting, networking, firewall design, and SSL/TLS certificate management.
Python, JavaScript, Linux shell, PowerShell, Linux, Windows, SSL/TLS
1mo
Save
Mark Applied
Hide
Cybersecurity Administrator, Data Loss Prevention
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$110k-$190k/yr OnsiteFull Time
3+ YOE3+ years cybersecurity/DLP experience; hands-on with Microsoft GCC High, Microsoft Purview/Defender, Zscaler, CrowdStrike, ThreatLocker, Datadog; familiarity with endpoint security, zero trust, IAM, cloud security; U.S. citizen eligible and able to obtain security clearances.
Coherent Distributed Networks (CDN™), Microsoft GCC High, Microsoft Purview, Microsoft Defender, Zscaler, CrowdStrike, PIM/PAM, SIEM, Palo Alto, ThreatLocker, Datadog, PowerShell, Python
2mo
Save
Mark Applied
Hide
Senior IT Administrator
San Francisco or New York
$129k-$160k/yr HybridFull Time
Administer Okta, Jamf, and GitHub Enterprise; build internal tooling with AI; manage security posture and SOC 2; Cisco Meraki networking; strong communication; multi-project management.
Okta, Jamf, GitHub Enterprise, Google Workspace, Jira, Slack, Cisco Meraki, Claude Code, Copilot, Cursor
1mo
Save
Mark Applied
Hide
Corporate Security Engineer
Salt Lake City or Seattle or San Francisco or New York City or London or Madrid or Singapore
$58k-$167k/yr OnsiteFull Time
4+ YOEBachelor's in a technical field, 4+ years systems administration/security ops experience, hands-on Okta, Jamf, Intune, Google Workspace, SIEM, scripting (Bash/Python/PowerShell), and familiarity with ISO 27001/SOC 2/NIST frameworks and AI governance/operations.
Okta, Jamf Pro, Jamf Business Plan, Microsoft Intune, Google Workspace, SIEM, Bash, Python, PowerShell
6d
Save
Mark Applied
Hide
Systems & Network Administrator
Travis AFB, California, United States
$72k-$77k/yr OnsiteFull Time
5+ YOE5+ years supporting Air Force Medical Information Systems/DHA, Security+ required, proficiency with Windows Server, Microsoft System Center Configuration Manager (MECM/SCCM), and Cisco switch configuration; strong communication skills.
Windows Server, Microsoft System Center Configuration Manager (MECM/SCCM), Cisco
1mo
Save
Mark Applied
Hide
AWS Infrastructure Administrator
San Francisco, California, United States
$140k-$150k/yr OnsiteFull Time
10+ YOE10+ years experience designing and managing AWS data infrastructure; proficiency with S3, Glue, EMR, Redshift, Athena, Lambda, Kinesis, RDS, Python and SQL; IaC (Terraform/CloudFormation); Spark, Kafka, Airflow; monitoring and security.
S3, Glue, EMR, Redshift, Athena, Lambda, Kinesis, RDS, Python, SQL, Scala, Terraform, CloudFormation, Apache Spark, Kafka, Apache Airflow, AWS Step Functions, CloudWatch, Datadog, Prometheus, Grafana
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Test Center Administrator/ Proctor
Walnut Creek, California, United States
$17/hr OnsitePart Time
High school diploma or equivalent; ability to stand/walk ~40% of shift; customer-facing or invigilation experience advantageous; proficiency with Microsoft Office; must pass extensive background screening and maintain exam security.
Microsoft Office
Explore Jobs