Senior Information Systems Security Officer ISSO

Leidos

$131K — $237K *
Aerospace & Defense
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Information Assurance, Information Security, or related field plus 12+ years of relevant experience; 4 additional years of experience may substitute for degree.
  • At least 7 years of experience as an ISSO supporting IC or DoD programs with similar scope and complexity.
  • Familiarity with customer Info Security tool suite.
  • DoD 8570 compliance, holding IAM Level II or IAT Level III certifications (CASP, CISSP, or Associate).
  • Must possess an active TS/SCI security clearance with Polygraph.

Responsibilities

  • Enhance security posture by supporting information assurance initiatives and enforcing security policies.
  • Oversee security operations for information systems, managing daily activities and conducting vulnerability assessments.
  • Manage configuration and system integrity through configuration management for security software and hardware.
  • Develop and maintain essential security documentation like System Security Plans and Risk Assessment Reports.
  • Ensure compliance with security authorization protocols according to NISCAP and DoD RMF.
  • Provide technical expertise in security policies while collaborating with stakeholders.
  • Drive continuous improvement by assessing security processes and implementing proactive solutions.

Benefits

  • $15k sign-on bonus for new hires.
  • Opportunity to work on high-impact national security projects.
  • Independence and innovation in utilizing emerging technologies.
  • Direct contribution to significant security advancements in large-scale systems.
  • Possibility for career advancement within a multi-year program.
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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