IT CYBERSECURITY SPECIALIST (CUSTSPT/INFOSEC)
Defense Information Systems Agency
Posted: February 5, 2026 (1 day ago)
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U.S. Coast Guard
Department of Homeland Security
Location
Portsmouth, Virginia
Salary
$102,415 - $133,142
per year
Type
Full Time
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This job involves protecting computer systems, networks, and data from cyber threats by assessing risks, monitoring security, and responding to incidents in the U.S. Coast Guard's IT environment.
You'll act as a security officer to ensure systems stay reliable and safe from unauthorized access.
It's a good fit for someone with hands-on experience in cybersecurity who enjoys detailed technical work and staying ahead of potential vulnerabilities.
This vacancy is for a GS-2210-12, IT Cybersecurity Specialist (INFOSEC) located in the Department of Homeland Security, U.S. Coast Guard, C5I SERVICE CENTER -C5ISC.
To qualify at the GS-12 grade level, your resume must demonstrate at least one (1) full year of specialized experience equivalent to at least the GS-11 grade level in the federal or private sector.
Specialized experience is experience that has equipped you with the ability, skill, and knowledge to successfully perform the duties of this position and is typically in or related to this line of work.
Examples of specialized experience include performing the following types of tasks on a regular basis.
NOTE: All experience statements (i.e., duties, specialized experience, or occupational assessment questionnaire) copied from this announcement and pasted into your resume will not be considered as a demonstration of your qualifications for this position.
Your resume must demonstrate that you meet 3 out of the 7 specialized experience below: Conducting comprehensive security assessments to align cybersecurity efforts with the Risk Management Framework (RMF); or Evaluating and assessing vulnerabilities of classified and/or unclassified network, application, or operational technology hardware, operating system software, and/or peripheral network equipment such as routers, bridges, switches etc.; or Monitoring the system and environment of operation to include developing and updating the system security plan; or Managing and controlling changes to the system, and assessing the security impact of these changes; or Creating Plans of Actions and Milestones (POAM's) to document system vulnerabilities; or Working knowledge of system administration, network, and operating system hardening techniques; or Working knowledge of network security architecture concepts including topology, protocols, components, and principles (e.g., application of defense-in-depth).
NOTE: Education cannot be substituted for experience at this grade level.
National Service Experience (i.e., volunteer experience): Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional, philanthropic, religious, spiritual, community, student, social).
Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment.
You will receive credit for all qualifying experience, including volunteer experience. Major Duties:
You will serve as a IT Cybersecurity Specialist (INFOSEC) and be responsible for ensuring the confidentiality, integrity and availability of information systems, operational technology, networks, and data by serving in an Information System Security Officer (ISSO) capacity.
Being a Coast Guard civilian makes you a valuable member of the Coast Guard team.
Typical work assignments include: Developing procedures to ensure information systems reliability and accessibility to prevent and defend against unauthorized access to systems, networks, and data.
Ensuring the confidentiality, integrity, and availability of systems, networks, operational technology, and data through the planning, analysis, development, implementation, maintenance, and enhancement of information systems security programs, policies, procedures, and tools.
Investigating, analyzing, and responding to cyber incidents within the network environment or enclave.
Mandatory training is required which must be successfully completed and other training may occur as necessary for success in the position. A.
Residential ISSO Core Competency Personnel Qualification Standards (PQS) within 12 months of entry into the position. B.
Security Certification at an intermediate level (e.g., Information Assurance Management Level II/III (IAM-II, IAM-III)) or management determined equivalent within nine months of entry into the position.
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