Classified Cybersecurity Senior ISSO jobs in United States
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Lockheed Martin · 18 hours ago

Classified Cybersecurity Senior ISSO

Lockheed Martin is a leading aerospace and defense company, and they are seeking a Classified Cybersecurity Senior ISSO to oversee day-to-day information system security operations. The role involves managing security compliance, conducting audits, and ensuring the security of information systems in accordance with internal and external policies.

AerospaceCyber SecurityMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
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Growth Opportunities
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

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

DoD 8570 IAT Level IIIS Auditing ExperienceRMF Artifacts DevelopmentOperating System SecurityInformation Assurance ToolsDoD 8570 IAM Level IIIMS 365Power AutomateAgile DevelopmentJiraNetwork DevelopmentICD 503JSIGDAAPAMBachelor's DegreeMaster's Degree

Required

TS Clearance required
DoD 8570 IAT Level II certification or higher
Experience with IS auditing and investigations
Knowledgeable of operating system security requirements (Windows/RHEL)
Hands-on experience with industry-standard Information Assurance tools (Splunk, Nessus, SCAP, etc.)
Experience with developing, reviewing and maintaining RMF artifacts (SSP, IRP, CP, RAR, etc.)

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
DoD 8570 IAM Level III certification
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

Benefits

Medical
Dental
Vision
Life Insurance
Short-Term Disability
Long-Term Disability
401(k) match
Flexible Spending Accounts
EAP
Education Assistance
Parental Leave
Paid time off
Holidays

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