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Lockheed Martin · 15 hours ago

Information System Security Officer (TS/SCI & Expat to Guam Required)

King of Prussia, PA

Full-time

Onsite

Mid, Senior Level

Lockheed Martin is a pioneer in cyber security, seeking an experienced Information System Security Officer (ISSO) to protect mission critical OCONUS information systems. The ISSO will ensure compliance with security policies, oversee security posture, and collaborate with various stakeholders to maintain cybersecurity standards.

AerospaceCyber SecurityMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Direct day to day security management for classified systems

Perform day-to-day information system security operations including auditing the IS and reviewing hardware and software baselines

Maintain and update System Security Plans (SSPs), Authorization Packages, and Continuous Monitoring Strategies

Conduct formal risk assessments, vulnerability analyses, and impact assessments; prioritize remediation actions and track mitigation status

Participate in internal/external security audits and inspections

Assist in the preparation of Authority to Operate (ATO) packages and support periodic re-authorizations

Partner with program managers, engineers, acquisition personnel, and internal/external auditors to embed security controls early in the design and development phases

Assist in conducting investigations of computer security violations and incidents, reporting as necessary

Facilitate internal and external audits, ensuring timely closure of findings and ongoing compliance with all applicable regulations

Ensure configuration management (CM) and IS security documentation is maintained

Assist the development and delivery of security awareness training

Qualification

NIST security controlsRisk assessmentsCybersecurity toolsSecurity Directives interpretationSAP / SCI environmentsTraining developmentEffective communicationCollaboration

Required

Candidate must expatriate full time to Guam for 6-12 months with possibility of extension

Selected candidate will be required to attend training in King of Prussia, PA upon onboarding

Experience working with and interpreting Security Directives, Policies, Publications and Regulations (e.g. ICD 503, JSIG, and/or DCSA Assessment and Authorization Guide (DAAG))

Experience using cybersecurity tools such as Nessus, Splunk, SCAP, HBSS, STIG Viewer to support compliance and monitoring activities

Previous experience supporting SAP / SCI environments as an ISSO / ISSE

Effective communication and an ability to work collaboratively as well as independently