Information Systems Security Officer (ISSO)

PeopleTec; Huntsville (AL); On-site; USD 120,000 - 190,000; Full time

Job summary

PeopleTec, Inc. seeks a senior Information Systems Security Officer (ISSO) to support our Huntsville, AL location.

The ISSO oversees risk management, security compliance, and cybersecurity operations for cloud-based information systems supporting the Guam Defense System (GDS). This role requires implementing RMF, NIST guidelines, and DoD SRG IL6 controls, while advising engineering and DevOps on secure IaC, Zero Trust, and risk mitigation.

Qualifications

• Nine+ years in cybersecurity, IA, or related IT fields.

Responsibilities

• Lead RMF steps 1-6 for GDS and maintain ATOs.

Skills

RMF/NIST

Cloud security

IAM Level III

CISSP

GISP

CASP+

CCSP

Active clearance

Travel capability

Education

Bachelors in CS/Cybersecurity

Job description

Information Systems Security Officer (ISSO)

Job Location: US-AL-Huntsville

ID: 2026-5288 | Category: Engineering & Science | Position Type: Regular Full-Time

Opportunity

PeopleTec is currently seeking an Information Systems Security Officer (ISSO) to support our Huntsville, AL location.

This is a Senior Information Systems Security Officer (ISSO) position responsible for overseeing risk management, security compliance, and cybersecurity operations for the cloud-based information systems supporting the Guam Defense System (GDS). This role serves as a key technical and compliance advisor, ensuring systems conform to the Risk Management Framework (RMF), National Institute of Standards and Technology (NIST) guidelines, and DoD Cloud Computing Security Requirements Guide (SRG) for Impact Level 6 (IL6) data.

Duties

• Lead and coordinate Risk Management Framework (RMF) Steps 1-6 for GDS, ensuring successful Assessment & Authorization (A&A) cycles and securing/maintaining Authorities to Operate (ATOs).
• Author and maintain comprehensive cybersecurity documentation, including System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), and boundary diagrams.
• Design and execute continuous monitoring strategies for GDS cloud environments to capture, analyze, and report real-time compliance and threat vectors.
• Perform regular vulnerability scans and configurations checks of cloud infrastructure, containerized environments, and serverless applications. Analyze results and collaborate with GDS cloud engineers to prioritize and execute remediation plans.
• Deploy and utilize enterprise security tools to detect, investigate, and mitigate vulnerabilities and advanced persistent threats (APTs).
• Support incident response teams during active security events. Lead post-incident forensic investigations, root-cause analyses, and the implementation of permanent remediation measures.
• Provide expert security architecture recommendations to engineering and DevOps teams implementing DevSecOps pipelines, automated infrastructure-as-code (IaC) deployments, and Zero Trust architectures.
• Track and report cybersecurity risks, system compliance drift, and mitigation progress directly to GDS program leadership and government Authorizing Officials (AOs).

Qualifications

Required Skills/Experience

• Minimum of nine (9) years of progressive experience in cybersecurity, information assurance, systems engineering, or related IT fields.
• At least seven (7) years of direct experience serving as an ISSO or ISSM within a cleared DoD or Intelligence Community (IC) environment.
• Minimum of three (3) years of hands-on experience securing and managing cloud-based systems (AWS, Azure, or GCP), specifically within federal, defense, or high-security hybrid/multicloud environments (IL5/IL6).
• Proven experience implementing RMF (NIST SP 800-37, 800-53, 800-137) for tactical, strategic, or defense systems.
• Mastery of RMF, NIST SP 800-series, CNSSI 1253, and DoD 8500-series instructions.
• Strong understanding of cloud service models (IaaS, PaaS, SaaS), shared responsibility models, identity and access management (IAM), secure virtual networking, encryption standards (at rest and in transit), and container security (Kubernetes, Docker).
• Proficiency with enterprise vulnerability management, log aggregation, and system assessment tools.
• Familiarity with the operational environment of Integrated Air and Missile Defense (IAMD) systems, Joint All-Domain Command and Control (JADC2) initiatives, and cross-domain solution (CDS) implementation is highly preferred.
• Exceptional written and verbal communication skills, with the ability to translate complex technical vulnerabilities into business/mission risk for senior military leaders.
• Strong analytical, troubleshooting, and problem-solving skills in high-stakes, fast-paced environments.
• Candidate must hold an active certification meeting the DoDM 8140.03 IAM Level III requirement:
  • CISSP (Certified Information Systems Security Professional)
  • GISP (Global Information Security Professional)
  • CASP+ (CompTIA Advanced Security Practitioner)
  • Or equivalent IAM Level III-approved certification.
• Candidate must also hold at least one (1) active cloud security or cloud architecture certification from a major provider or recognized organization:
  • CCSP ((ISC) Certified Cloud Security Professional)
  • AWS Certified Security - Specialty
  • AWS Certified Solutions Architect - Associate
  • Microsoft Certified: Azure Security Engineer Associate (AZ-500)
  • Google Professional Cloud Security Engineer
• Ability to travel
• Must be a U.S. Citizen
• Active Secret security clearance is required at the time of hire, with the ability to obtain Top-Secret/SCI.

Education Requirements

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related technical discipline is preferred. Master's degree in a related technical or business field is highly desirable.

Overview

People First. Technology Always.

PeopleTec, Inc. is an employee-owned small business founded in Huntsville, AL that provides exceptional customer support by employing and retaining a highly skilled workforce.

Culture: The name "PeopleTec" was deliberately chosen to remind us of our core value system - our people. Our company's foundation was built on placing our employees and customers first. With an award-winning atmosphere, we have matured into a company that boasts the best and brightest across multiple technical fields.

Career: At PeopleTec, we value your long-term goals. Whether it's through our continuing-education opportunities, our robust training programs, or our "People First" benefits package, PeopleTec truly believes that our best investments are our people.

Come Experience It.

#cjpost #dpost

EEO Statement

PeopleTec, Inc. is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, [e-mail] and/or phone number (256.319.3800) to contact us about your interest in employment with PeopleTec, Inc.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. PeopleTec, Inc. participates in E-Verify.