Information Systems Security Officer Jobs in California
Information systems security officer jobs in California represent one of the most active markets in the country, concentrated in defense contracting, aerospace, financial services, and state and federal government agencies across San Diego, the greater Los Angeles area, and the Sacramento region. Major employers with deep California roots in this field include Northrop Grumman, Raytheon Technologies, and Lockheed Martin, alongside large state agencies and financial institutions. The most sought-after specialties are risk management framework compliance, cloud security architecture, and systems accreditation under federal standards. See the openings below and apply to the ones that match your experience.
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JT4 China Lake is seeking an Information Systems Security Specialist. This role is responsible for assessing, developing and implementing programs and controls set in place to help increase cybersecurity within our company. The Information Systems Security Specialist will be detail-oriented, have great problem-solving and analytical skills, and a passion for cybersecurity.
JT4, LLC provides engineering and technical support to multiple western test ranges for the U.S. Air Force, Space Force, and Navy under the Joint Range Technical Services Contract, better known as J-Tech II. JT4 develops and maintains realistic, integrated test and training environments and prepares our nation's war-fighting aircraft, weapons systems, and aircrews for today's missions and tomorrow's global challenges.
**An ideal candidate will have an active DoD secret clearance**
**This position is located at China Lake and is not eligible for telework**
Job Summary - Essential Functions/Duties
This position is the on-site technical specialist for monitoring information systems and maintaining the environment of operation to include developing and updating System Security Plans, managing and controlling changes to the systems, conducting audits, providing incident response, perpetration for vulnerability assessments, and assessing the security impact of security and non-security-relevant changes.
Employee will be responsible to perform the following functions/duties:
- Provides incident handling in conjunction with the Facility Security Office (FSO) and Information Security Officer / Information Systems Security Manager (ISSO/ISSM)
- Assists in writing and maintaining computer security processes to meet Air Force requirements of Risk Management Framework
- Monitors computer system use and audits logs
- Makes recommendations for future hardware / software implementations and related process improvements
- This position requires skills in team building and customer service
- Provides operational status as required
- Uses established policies and procedures and subject matter knowledge to complete complex assignments requiring originality and ingenuity performed under minimum supervision with considerable latitude for independent contribution
- Provides security training and awareness briefings
- Other duties as assigned.
Requirements - Education, Technical, and Work Experience
Associates or higher degree in Computer/Information Technology, or equivalent academic/technical training/certification. Possess two to three years of experience in computer system security and/or related areas of expertise. Must be compliant to DoD 8570.01-M levels and possess or working toward Security+ certification with a CISSP desired. Should have experience with JSIG, NIST 800 and NISPOM, Chapter 8.
In addition, an Information Systems Security Specialist must possess the following qualifications:
- Must possess and apply a broad knowledge of principles, practices and procedures in computer security and information systems and working experience with Microsoft Office, Access, and Visio
- Must possess experience supporting various system configurations such as Stand Alone, Local Area Networks, and Wide Area Networks
- Must possess excellent skills in verbal and written communications, planning, and organizing
- Ability to work under deadlines. Employee is expected to routinely cross fields in the completion of somewhat difficult and varied assignments. Government vehicle is used on an as-needed basis
- Ability to work in a field environment at remote locations with occasional overnight assignments
- Must qualify for and maintain a government security clearance
- Must possess a valid, state-issued driver's license.
Salary
The expected salary range for this position is $85,946 to $100,946 annually.
The salary range offered for this position is a good faith description of the expected salary
range this role will pay. JT4 LLC considers factors such as (but not limited to) responsibilities of the position, candidate's work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer.
Benefits
- Medical, Dental, Vision Insurance
- Benefits Active on Day 1
- Life Insurance
- Health Savings Accounts/FSA's
- Disability Insurance
- Paid Time Off
- 401(k) Plan Options with Employer Match
- JT4 will match 50% up to an 8% contribution
- 100% Immediate Vesting
- Tuition Reimbursement
Other Responsibilities
Each employee must read, understand, and implement the general and specific operational, safety, quality, and environmental requirements of all plans, procedures, and policies pertaining to their job.
Working Conditions
This position involves work typical of an office environment with no unusual hazards. There is occasional lifting (up to 20 pounds), constant sitting and use of a computer terminal, constant use of sight abilities while writing, reviewing, and editing documents, constant use of speech/hearing abilities for communication, and constant mental alertness.
Disclaimer
The above statements are intended to describe the general nature and level of work being performed by personnel assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties, and skills required of persons so classified.
Tasking is in support of a Federal Government Contract that requires U.S. citizenship. Some jobs may require a candidate to be eligible for a government security clearance, state-issued driver's license, or other licenses/certifications, and the inability to obtain and maintain the required clearance, license, or certification may affect an employee's ability to maintain employment.
SCC: JCIS11; A4CLR
Compensation: The expected salary range for this position is $85,946 to $100,946 annually.
JT4 China Lake is seeking an Information Systems Security Specialist. This role is responsible for assessing, developing and implementing programs and controls set in place to help increase cybersecurity within our company. The Information Systems Security Specialist will be detail-oriented, have great problem-solving and analytical skills, and a passion for cybersecurity.
JT4, LLC provides engineering and technical support to multiple western test ranges for the U.S. Air Force, Space Force, and Navy under the Joint Range Technical Services Contract, better known as J-Tech II. JT4 develops and maintains realistic, integrated test and training environments and prepares our nation's war-fighting aircraft, weapons systems, and aircrews for today's missions and tomorrow's global challenges.
**An ideal candidate will have an active DoD secret clearance**
**This position is located at China Lake and is not eligible for telework**
Job Summary - Essential Functions/Duties
This position is the on-site technical specialist for monitoring information systems and maintaining the environment of operation to include developing and updating System Security Plans, managing and controlling changes to the systems, conducting audits, providing incident response, perpetration for vulnerability assessments, and assessing the security impact of security and non-security-relevant changes.
Employee will be responsible to perform the following functions/duties:
- Provides incident handling in conjunction with the Facility Security Office (FSO) and Information Security Officer / Information Systems Security Manager (ISSO/ISSM)
- Assists in writing and maintaining computer security processes to meet Air Force requirements of Risk Management Framework
- Monitors computer system use and audits logs
- Makes recommendations for future hardware / software implementations and related process improvements
- This position requires skills in team building and customer service
- Provides operational status as required
- Uses established policies and procedures and subject matter knowledge to complete complex assignments requiring originality and ingenuity performed under minimum supervision with considerable latitude for independent contribution
- Provides security training and awareness briefings
- Other duties as assigned.
Requirements - Education, Technical, and Work Experience
Associates or higher degree in Computer/Information Technology, or equivalent academic/technical training/certification. Possess two to three years of experience in computer system security and/or related areas of expertise. Must be compliant to DoD 8570.01-M levels and possess or working toward Security+ certification with a CISSP desired. Should have experience with JSIG, NIST 800 and NISPOM, Chapter 8.
In addition, an Information Systems Security Specialist must possess the following qualifications:
- Must possess and apply a broad knowledge of principles, practices and procedures in computer security and information systems and working experience with Microsoft Office, Access, and Visio
- Must possess experience supporting various system configurations such as Stand Alone, Local Area Networks, and Wide Area Networks
- Must possess excellent skills in verbal and written communications, planning, and organizing
- Ability to work under deadlines. Employee is expected to routinely cross fields in the completion of somewhat difficult and varied assignments. Government vehicle is used on an as-needed basis
- Ability to work in a field environment at remote locations with occasional overnight assignments
- Must qualify for and maintain a government security clearance
- Must possess a valid, state-issued driver's license.
Salary
The expected salary range for this position is $85,946 to $100,946 annually.
The salary range offered for this position is a good faith description of the expected salary
range this role will pay. JT4 LLC considers factors such as (but not limited to) responsibilities of the position, candidate's work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer.
Benefits
- Medical, Dental, Vision Insurance
- Benefits Active on Day 1
- Life Insurance
- Health Savings Accounts/FSA's
- Disability Insurance
- Paid Time Off
- 401(k) Plan Options with Employer Match
- JT4 will match 50% up to an 8% contribution
- 100% Immediate Vesting
- Tuition Reimbursement
Other Responsibilities
Each employee must read, understand, and implement the general and specific operational, safety, quality, and environmental requirements of all plans, procedures, and policies pertaining to their job.
Working Conditions
This position involves work typical of an office environment with no unusual hazards. There is occasional lifting (up to 20 pounds), constant sitting and use of a computer terminal, constant use of sight abilities while writing, reviewing, and editing documents, constant use of speech/hearing abilities for communication, and constant mental alertness.
Disclaimer
The above statements are intended to describe the general nature and level of work being performed by personnel assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties, and skills required of persons so classified.
Tasking is in support of a Federal Government Contract that requires U.S. citizenship. Some jobs may require a candidate to be eligible for a government security clearance, state-issued driver's license, or other licenses/certifications, and the inability to obtain and maintain the required clearance, license, or certification may affect an employee's ability to maintain employment.
SCC: JCIS11; A4CLR
Compensation: The expected salary range for this position is $85,946 to $100,946 annually.
See All 10 Information Systems Security Officer Jobs in California
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Find JobsInformation Systems Security Officer Jobs by City in California
Where California roles are concentrated, by current openings.
Information Systems Security Officer Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Aerospace & Defense
What California Employers Look For
The qualifications that appear most often in information systems security officer jobs across California.
- Active security clearance (Secret or Top Secret) required or must be clearance-eligible
- Certified Information Systems Security Professional (CISSP) certification strongly preferred or required
- Experience with Risk Management Framework and NIST 800-series standards in a government or defense environment
- Bachelor's degree in cybersecurity, computer science, information technology, or a closely related field
- Hands-on experience with system authorization and accreditation processes under DoD or federal guidelines
- Proficiency with security information and event management tools and vulnerability assessment platforms
Information Systems Security Officer Jobs in California: Frequently Asked Questions
How do you become a information systems security officer in California?
The most direct path into an information systems security officer role in California starts with a bachelor's degree in cybersecurity, information technology, or computer science, followed by earning the CISSP or CompTIA Security+ certification, which most California defense and government employers treat as a baseline credential. California's large DoD contractor and state agency sector means many openings also require or strongly prefer candidates who are already eligible for a federal security clearance, so starting in an IT or security analyst role with a cleared employer builds the right background.
Which companies hire information systems security officers in California?
Companies currently hiring information systems security officers in California include JT4, Anduril, and Accelint, per current listings on Migrate Mate as of July 2026. California's concentration of defense primes, aerospace firms, and large state and federal agencies means demand for this role is distributed across both private contractors and public-sector employers throughout the state.
Which California cities have the most information systems security officer jobs?
The cities with the most information systems security officer openings in California are San Diego, Ridgecrest, and Irvine. San Diego and Los Angeles dominate because of their dense clusters of defense contractors and military installations, Sacramento draws openings from California state agencies and federal offices, and the San Francisco Bay Area adds demand from financial services firms and technology companies that maintain classified or regulated environments.
Are there remote information systems security officer jobs in California?
Yes, but they're less common than in purely analytical IT roles because information systems security officers frequently need direct, on-site access to classified systems, secure facilities, or physical infrastructure. About 20% of information systems security officer openings tied to California are remote or hybrid as of July 2026, and those tend to involve policy, compliance documentation, and risk assessment work rather than hands-on system administration.
How can I get hired as a information systems security officer in California with little or no experience?
The most realistic entry path is landing a junior information systems security analyst or IT security technician role at one of California's large defense contractors or a state agency, where cleared employers like Northrop Grumman and Leidos regularly bring on entry-level candidates and provide on-the-job training toward the ISSO designation. Earning the CompTIA Security+ first gives candidates a concrete credential that clears the initial resume screen, and transitioning laterally from a systems administrator or network analyst position at a cleared facility is another well-worn path into the role in California.
Where can I find and apply to information systems security officer jobs in California?
You can find and apply to information systems security officer jobs in California on Migrate Mate, which lists current California openings updated regularly. Search the listings, identify the roles that match your clearance level, certifications, and experience, and apply directly to the ones that fit.
See All 10 Information Systems Security Officer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
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