Senior Information Systems Security Officer ISSO

Leidos

$131K — $237K *
Information Technology
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Information Assurance, or related field, or equivalent experience.
  • 12+ years of relevant experience, or 16 years without a degree.
  • 7+ years of ISSO experience in IC or DoD programs.
  • Familiarity with customer Info Security tool suite.
  • Active TS/SCI clearance with Polygraph required.
  • DoD 8570 compliant with IAM Level II or IAT Level III certification (e.g., CASP, CISSP).

Responsibilities

  • Enhance security posture by supporting information assurance initiatives and enforcing security protocols.
  • Oversee security operations for information systems and conduct vulnerability and risk assessments.
  • Manage configuration and system integrity for security software and hardware compliance.
  • Develop and maintain essential security documentation such as System Security Plans and Risk Assessment Reports.
  • Ensure compliance with certification activities following NISCAP and the DoD RMF.
  • Provide technical expertise in security policies, collaborating with stakeholders to improve security measures.
  • Drive continuous improvement by assessing security processes and implementing proactive solutions.

Benefits

  • Eligibility for a $15k sign-on bonus.
Full Job Description
This position is eligible for a 15k sign on bonus!

Job Summary:

The Senior ISSO plays a vital role in securing and maintaining the integrity of our information systems through robust security measures and compliance frameworks. This multi-year, high-impact program supports our customer site in Annapolis Junction, MD, focusing on the development, integration, deployment, and sustainment of cutting-edge large-scale collection systems.

As part of this mission-critical contract, you will have the opportunity to work independently, innovate with emerging technologies, and contribute directly to national security. If you're passionate about solving complex security challenges and making a tangible impact, this is the role for you. Your greatest work is ahead!

Responsibilities Include:
  • Enhancing security posture by supporting the program, organization, system, or enclave's information assurance initiatives and enforcing security policies, standards, and methodologies.
  • Overseeing security operations for information systems, managing daily security aspects, evaluating security solutions for classified processing, and conducting vulnerability and risk assessments for accreditation.
  • Managing configuration and system integrity by administering configuration management (CM) for security software, hardware, and firmware, ensuring compliance with security controls, and assessing the impact of system changes.
  • Developing and maintaining security documentation, including System Security Plans (SSPs), Risk Assessment Reports, Certification & Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs).
  • Ensuring compliance with security authorization activities following the Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF).
  • Providing technical expertise in security policies and operations, supporting the implementation and maintenance of security measures, and collaborating with stakeholders to strengthen the security posture.
  • Driving continuous improvement by assessing existing security processes, identifying vulnerabilities, and implementing proactive solutions to enhance system resilience.

Basic Qualifications:
  • Bachelor of Science degree in Computer Science, Information Assurance, Information Security, or a related discipline, plus 12+ years of relevant experience. In lieu of a degree, an additional 4 years of experience may be considered on a case by case basis.
  • Industry Expertise: 7+ years of ISSO experience supporting IC or DoD programs and contracts of similar scope, type, and complexity.
  • Experience with customer Info Security tool suite
  • Certifications & Compliance: DoD 8570 compliance with IAM Level II or IAT Level III (CASP, CISSP, or Associate).
  • Clearance Requirement: Must hold an active TS/SCI with Polygraph.


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