Information Systems Security Officer, Classified Cybersecurity jobs in United States
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Lockheed Martin · 3 months ago

Information Systems Security Officer, Classified Cybersecurity

Lockheed Martin is seeking a Cybersecurity Specialist to serve as an Information Systems Security Officer (ISSO) for Special Programs at the LM Waterton facility in Littleton, CO. The role involves overseeing information system security operations, ensuring compliance with security policies, and managing security-related documentation and audits.

AerospaceCyber SecurityMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
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Growth Opportunities
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Responsibilities

Oversee day-to-day information system security operations including hardware and software implementations
Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF)
Auditing of the IS
Upkeep, monitor, analyze, and respond to network and security events
Document compliance actions within the approved automated compliance tracking system or develop a plan of actions and milestones (POA&M) with the Information Systems Security Manager (ISSM) to address non-compliance in the allotted time frame
Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and practices outlined in the security plan
Ensure configuration management (CM) for security-relevant IS software, hardware, and firmware is maintained and documented in accordance with baseline
Ensure all information system security-related documentation is current and accessible to properly authorized individuals
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
Participate in internal/external security audits/inspections; performs risk assessments
Assist in conducting investigations of computer security violations and incidents, reporting as necessary to both the Contractor Program Security Officer (CPSO) and Program Managers
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 CPSO
Implement and enforce Information Security Policies and Procedures together with ISSM and CPSO
Review and oversee RMF Package authorizations together with ISSM and CPSO

Qualification

TS/SCI clearanceRisk Management Framework (RMF)DoD 8570 IAM Level III certificationIS auditingICD 503/JSIGEnterprise level technologiesBachelors degreeCommunication skillsTeam collaboration

Required

TS/SCI clearance required with ability to receive Poly within 6 months
Oversee day-to-day information system security operations including hardware and software implementations
Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF)
Auditing of the IS
Upkeep, monitor, analyze, and respond to network and security events
Document compliance actions within the approved automated compliance tracking system or develop a plan of actions and milestones (POA&M) with the Information Systems Security Manager (ISSM) to address non-compliance in the allotted time frame
Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and practices outlined in the security plan
Ensure configuration management (CM) for security-relevant IS software, hardware, and firmware is maintained and documented in accordance with baseline
Ensure all information system security-related documentation is current and accessible to properly authorized individuals
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
Participate in internal/external security audits/inspections; performs risk assessments
Assist in conducting investigations of computer security violations and incidents, reporting as necessary to both the Contractor Program Security Officer (CPSO) and Program Managers
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 CPSO
Implement and enforce Information Security Policies and Procedures together with ISSM and CPSO
Review and oversee RMF Package authorizations together with ISSM and CPSO

Preferred

Experience with developing, reviewing and maintaining RMF artifacts
Experience with IS auditing and investigations
Experience implementing new and complex technologies at multiple classification levels within large environments and at an Enterprise level
Currently working in environment supporting IC customers
Proved ability to obtain and maintain system ATOs
Hands on experience with ICD 503/JSIG and DAAPAM
Have and maintain a DoD 8570 IAM Level III certification
Have a Bachelors degree from an accredited college in a related discipline, or equivalent experience/combined education, with 2 years of professional experience; or 0 years of professional experience with a related Masters degree

Company

Lockheed Martin

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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.

Funding

Current Stage
Public Company
Total Funding
$6.06B
Key Investors
Air Force Research Laboratory
2025-12-05Post Ipo Debt· $3B
2025-08-28Post Ipo Debt· $3B
2023-11-13Grant· $33.7M

Leadership Team

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Jim Taiclet
Chairman, President & CEO
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Craig Martell
Chief Technology Officer
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Company data provided by crunchbase