Lockheed Martin · 1 week ago
Classified Cybersecurity Senior ISSO
Stratford, CT
Part-time
Hybrid
Senior Level
5+ years expLockheed Martin is a global aerospace and defense company, and they are seeking a Classified Cybersecurity Senior ISSO. The role involves overseeing information system security operations, ensuring compliance with security policies, and managing security programs in accordance with internal and external requirements.
AerospaceCyber SecurityMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Oversee day-to-day information system security operations including auditing the IS, hardware, and software implementations and RMF package authorizations
Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF)
Upkeep, monitor, analyze, and respond to network and security events
Document compliance actions with the ISSM to address non-compliance in the allotted time frame
Ensure systems are operated, maintained, and disposed of in accordance with internal/external security policies and practices
Participate in internal/external security audits/inspections; performs risk assessments
Ensure records are maintained for workstations, software, servers, routers, firewalls, network switches, telephony equipment, etc. throughout the information system's life cycle
Evaluate proposed changes or additions to the information system, and advise the ISSM of their security relevance
Ensure configuration management (CM) for security relevant IS software, hardware, and firmware is maintained and documented
Assist in conducting investigations of computer security violations and incidents, reporting as necessary
Ensure proper protection and / or corrective measures have been taken when an incident or vulnerability has been discovered
Communicate, implement and manage a formal Information Security / Information Systems Security Program together with ISSM and Program Security
Qualification
Required
Oversee day-to-day information system security operations including auditing the IS, hardware, and software implementations and RMF package authorizations
Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF)
Upkeep, monitor, analyze, and respond to network and security events
Document compliance actions with the ISSM to address non-compliance in the allotted time frame
Ensure systems are operated, maintained, and disposed of in accordance with internal/external security policies and practices
Participate in internal/external security audits/inspections; performs risk assessments
Ensure records are maintained for workstations, software, servers, routers, firewalls, network switches, telephony equipment, etc. throughout the information system's life cycle
Evaluate proposed changes or additions to the information system, and advise the ISSM of their security relevance
Ensure configuration management (CM) for security relevant IS software, hardware, and firmware is maintained and documented
Assist in conducting investigations of computer security violations and incidents, reporting as necessary
Ensure proper protection and / or corrective measures have been taken when an incident or vulnerability has been discovered
Communicate, implement and manage a formal Information Security / Information Systems Security Program together with ISSM and Program Security
Bachelors degree from an accredited college in a related discipline, or equivalent experience/combined education, with 5 years of professional experience; or 3 years of professional experience with a related Masters degree
DoD 8570 IAM Level III certification
Preferred
MS 365 and Power Automate
Agile Development and Jira
Experience Network development/management
Deep experience obtaining and maintaining system ATOs
Hands-on experience with ICD 503/JSIG/DAAPAM
Company
Lockheed Martin
Lockheed Martin is a global security and aerospace company that specializes in advanced technology systems, products, and services. It is a sub-organization of Lockheed Martin.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$6.06BKey Investors
Air Force Research Laboratory
2025-12-05Post Ipo Debt· $3B
2025-08-28Post Ipo Debt· $3B
2023-11-13Grant· $33.7M
Leadership Team
Jim Taiclet
Chairman, President & CEO
Craig Martell
Chief Technology Officer
Recent News
2026-01-17
Technology - WSJ.com
2026-01-17
2026-01-17
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