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Senior Information Systems Security Officer (ISSO) with Security Clearance

Lockheed MartinPalmdale, CA🇺🇸United StatesPosted Oct 13, 2026

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
Palmdale, CA, United States
Posted
21 hours ago
Stakeholder Management

Job Description

Job Number 17234 Standard Job Description Join the Classified Cyber Security team as a Subject Matter Expert (SME) supporting Department of Defense (DoD) programs to ensure classified information systems meet cyber security requirements and government directives. Apply cutting-edge cybersecurity principles and participate in the planning of current and future security domains.

Key Responsibilities

  • Ensure compliance to governing documents and security policies and assist in regulatory periodic assessments.
  • Implement and test state-of-the-art secure operating systems, networks, and database solutions.
  • Stay current with system vulnerabilities and provides current security training to all system users.
  • Conduct risk assessments and provides recommendations for secure implementation and compliance in accordance with government regulations and information assurance/cybersecurity guidelines.
  • Create, maintain and submit information system security documents and reports to regulatory agencies.
  • Assess and mitigate system security threats/risks throughout the program life cycle.
  • Validate system security requirements definition and analysis; establishes system security documentation;
  • Assist with the implementation of security procedures; verifies information system security requirements;
  • Perform information system certification and accreditation planning, testing, assessing and liaison activities.
  • Familiar with information system security architectural documentation standards.
  • Apply information assurance / cyber security standards, directives, guidance and policies to an architectural/risk based framework.
  • Provide architectural / risk based analysis of information assurance / cyber security features and relate existing system to future needs and trends and requirements.

Basic Qualifications

  • Top Secret with Investigation or CV date within 5 years
  • DoD 8140 / 8570 IAT Level III baseline certification (CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)
  • Hands on technical experience with industry standard Information Assurance tools (Splunk, Nessus/Tenable/ACAS, STIGViewer/SCAP Compliance Checker/eSTIG, McAfee ePO, McAfee DLP, etc)
  • Experience with developing, reviewing and maintaining RMF artifacts

Desired Skills

  • Experience implementing new and complex technologies at multiple classification levels within large environments and at an Enterprise level
  • Excellent communication, facilitation, and stakeholder management skills.
  • Proficiency in AI prompting as it applies to this position and practice.
  • Experience working directly with government stakeholders at all levels.
  • Experience ensuring that cyber security requirements are properly defined, decomposed, allocated, assessed, and implemented into a system architecture to produce a cyber-resilient security design solution for the target platform.

Pay Information Full-Time Salary Range: $118000.00 - $219100.00 At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow-both professionally and personally. The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only.

Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidates work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

  • Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
  • For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays.

Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.

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