Information System Security Officer (ISSO)

Aviation Systems Engineering Company; Lemoore (CA); On-site; USD 115,000 - 150,000; Full time

Benefits offered by this job

ESOP ownership

Medical/Dental/Vision benefits

401(k) with match

Tuition assistance

Job summary

ASEC is seeking an Information System Security Officer (ISSO) to support a high-visibility DoD program at NAS Lemoore, CA. The role focuses on shaping and enforcing information system security policies, standards, and methodologies across mission-critical systems.

You will conduct vulnerability assessments, oversee continuous monitoring, and develop mitigation strategies while ensuring DISA STIG compliance and ATO readiness. On-site position requiring Top Secret clearance.

Qualifications

• Bachelor's in CS/IS/Engineering or related field; or 10+ years ISSO experience.
• 5+ years of IA/Cybersecurity and RMF experience with DoD guidelines.
• Experience with RMF DoDI 8510.01, CNSSI 1253/JSIG, and NIST SP 800-53.
• Knowledge of ICD 705, DoD 5205.07, SAP policy and JSIG.
• Ability to build cross-team collaboration and strong communication.

Responsibilities

• Propose, coordinate, implement, and enforce information system security policies.
• Conduct vulnerability assessments using ACAS, STIGs, and SCAP tools.
• Utilize SolarWinds or Splunk for advanced system monitoring and compliance.
• Configure OS and network devices per DISA STIGs.
• Perform continuous monitoring, risk analysis, and mitigation planning for DoD information systems.
• Prepare SSPs, SOPs, POA&Ms, and other ATO artifacts.
• Collaborate on cross‑functional cybersecurity efforts aligned with program milestones.
• Conduct risk assessments for satellite communication infrastructures.

Skills

IA/Cybersecurity

RMF (DoDI 8510.01)

CNSSI 1253/JSIG

NIST SP 800-53

ACAS/STIG/SCAP

DISA STIG implementation

Security monitoring (SolarWinds/Splunk

DoD risk analysis

Education

Bachelor's degree in CS/IS/Engineering or related

10+ years ISSO experience (in lieu of degree)

Tools

SolarWinds

Splunk

ACAS

SCAP Compliance Checker

Job description

Location:

NAS Lemoore, CA

Security Clearance Requirement:

Top Secret

Telework Eligible?

No - 100% On-Site

What You'll Do:

As an Information System Security Officer (ISSO), you will play a key role in supporting a high-visibility DoD program. In this role, you'll help shape and enforce the information system security policies, standards, and methodologies that keep our mission‑critical systems protected. Are you ready to make an impact?

As the ISSO, you will provide mission‑critical support by:

• Proposing, coordinating, implementing, and enforcing information system security policies, standards and methodologies.
• Conducting vulnerability assessments using automated benchmarks and tools such as Assured Compliance Assessment Solution (ACAS), Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs), and Security Content Automation Protocol (SCAP) Compliance Checker.
• Utilizing SolarWinds or Splunk to perform advanced system monitoring, security event analysis, and continuous compliance activities.
• Implementing operating systems and network devices security configuration in accordance with Defense Information Systems Agency (DISA) approved Security Technical Implementation Guides (STIGs).
• Performing security control continuous monitoring, reviewing system security plans and associated artifacts, security audits, risk analysis and developing mitigation strategies for DoD information systems.
• Identifying Common Criteria and National Information Assurance Partnership (NIAP) certified technologies and the DISA Approved Products List (APL).
• Preparing certification letters and Memoranda of Agreement (MoA) with system owners for interface and networking implementations.
• Providing guidance of cross‑functional cybersecurity efforts ensuring alignment with organizational and program goals and milestones.
• Collaborating on documentation for Information System Authority to Operate (ATO) decisions, including SSPs, SOPs, POA&Ms, and Knowledge Articles.
• Conducting comprehensive risk assessments and vulnerability analyses to identify and mitigate potential threats to satellite communication infrastructures.
• Position may require flexibility in working hours.

This description outlines the general nature and scope of the role. Additional duties may be assigned as necessary.

Requirements

What You'll Bring:

• Bachelor's in Computer Science, Information Systems Management, Engineering, or a related, technical area of study preferred. Without a bachelor's degree, 10 years of experience as an ISSO will be required.

At least 5 years of experience in the following areas is required:

• Information Assurance/Cybersecurity (IA/CS).
• Risk Management Framework (RMF) DODI 8510.01.
• Security controls and implementation delineated in Committee of National Security Systems Instruction (CNSSI) 1253 and National Institute of Standards and Technology (NIST) Special Publication (SP) 800‑53, and the Joint Special Access Program Implementation Guide (JSIG).
• Performing vulnerability assessments using Assured Compliance Assessment Solution (ACAS), Defense Information Systems Agency (DISA) Security Technical Implementation Guide (STIG), the Security Content Automation Protocol (SCAP) Compliance Checker, incorporating automated Benchmarks.
• Implementing operating systems and network devices security configuration in accordance with Defense Information Systems Agency (DISA) approved Security Technical Implementation Guides.
• Performing security control continuous monitoring, security audits, risk analysis and developing mitigation strategies for DoD information systems.
• Identifying Common Criteria and National Information Assurance Partnership (NIAP) certified technologies and the DISA Approved Products List (APL).
• Knowledge of the Intelligence Community Directive (ICD) 705, DoD 5205.07, and DOD 5205.07‑M Volumes 1-4, Special Access Program (SAP) Policy, and the Joint Special Access Program Implementation Guide (JSIG).

Equally Important:

• Ability to build positive, collaborative relationships across teams and with external partners.
• Effective communicator with strong verbal and written skills.
• Proactive, self‑directed work style with the ability to operate independently.
• Analytical thinker with proven problem‑solving capabilities.
• Highly organized, with the ability to balance competing priorities in a fast‑paced environment.

ASEC is committed to providing access and reasonable accommodation in its services, activities, programs, and employment opportunities in accordance with the Americans with Disabilities Act and other applicable laws.

Certification Requirements:

• CompTIA Security + is required. The following certifications are highly desired: CISSP, SecurityX (formerly CASP+), CAP, CISM, or GSLC. Please upload copies of any relevant IT certifications you hold.

Security Clearance Requirement:

• This position requires U.S. citizenship and an active DoD Top Secret clearance with SCI eligibility. Selected candidate will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

Salary Range:

• The anticipated annual salary range for this position is $115,000 - $150,000, commensurate with an individual's experience, qualifications, and skill set. ASEC is committed to providing fair and equitable compensation. The low end of this salary range is accounting for a candidate that meets or exceeds all of the listed requirements.

Who We Are:

ASEC offers meaningful, mission‑driven work within a culture that supports your professional and personal growth. We partner with our government customers to deliver innovative solutions across engineering, information technology, training, and logistics. Above all, we are committed to doing what's right for the Warfighter‑plain and simple. Explore what makes ASEC different by visiting our website.

Why work at ASEC?

• 100% employee‑owned company. Learn more about our Employee Stock Ownership Plan (ESOP) here!
• Comprehensive benefits package, including 11 paid holidays, medical/dental/vision coverage, HSA/FSA options, disability insurance, and more!
• 401(k) with company match
• Tuition assistance for undergraduate and graduate education
• Veteran‑friendly employer
• Thriving employee culture

ASEC is an Equal Opportunity Employer. We recruit, hire, train, compensate, and promote employees based on qualifications, merit, and business needs, without regard to race, color, religion, sex, national origin, ancestry, age, marital status, sexual orientation, gender identity or expression, disability, veteran status, genetic information, pregnancy or related conditions (including breastfeeding), or any other status protected by law.

ASEC also complies with all applicable pay transparency laws and will not discriminate against employees or applicants for inquiring about, discussing, or disclosing compensation.