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Information System Security Manager Security Clearance

Job in Oldsmar, Pinellas County, Florida, 34677, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-06-14
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security
Job Description & How to Apply Below
Position: Information System Security Manager with Security Clearance
Job Number 731866

Description:

Lockheed Martin's, Rotary & Mission Systems (LM RMS), Classified Cyber Security invites you to step up to one of today's most daunting challenges: the protection of exquisite government capabilities leading to warfighter supremacy against our peer and near peer adversaries. As a cyber security professional at Lockheed Martin, you'll safeguard the sensitive information and war fighting capabilities that our citizens and the world depend upon to protect U.S. and ally interests.

Here, you'll work alongside other cyber security experts and military members to support their military operational objectives by providing them with a safe and secure operating environment. In this fast-paced, real-world environment, you'll draw on all your education and experience as well as the resources of Lockheed Martin to keep these exquisite capabilities protected. We are looking for an individual to serve as a Classified Cyber Security Senior / Information System Security Manager (ISSM) and join our team's efforts in supporting and defending classified networks.

The Work:
This Information System Security Manager (ISSM) position is responsible for all cybersecurity efforts at the Clearwater, FL facility supporting development, maintenance, and oversight of the assigned classified and/or unclassified systems. Typical responsibilities of the ISSM may include but are not limited to:
• Developing and maintaining the site's cybersecurity program for assigned systems.
• Ensuring all applicable cybersecurity policy, plans and procedures are followed.
• Ensuring required cybersecurity controls are implemented and validated, to include continuous monitoring actions for assigned systems.
• Developing and maintaining cybersecurity related plans, procedures and guidance.
• Maintaining NSA COMSEC account as the COMSEC Responsible Officer; to include performing custodian duties.
• Monitoring and recognizing non-compliance, suspicious and anomalous activity (i.e., threats), and effectively reporting such activity and associated risks to the appropriate parties.
• Ensuring plans of actions and milestones or remediation plans are in place for vulnerabilities identified during monitoring activity, audits, inspections, etc. and implementing, or overseeing, required corrective actions.
• Conducting role-based cybersecurity training for assigned users.
• Creating, collecting and retaining data to meet reporting requirements.
• Monitoring and correlating data (e.g., logs, events, activity, etc.) from a variety of sources (e.g., Splunk, ELA, ePO, ESS, ACAS, etc.) to identify and mitigate threats, vulnerabilities and non-compliance.
• Investigating, analyzing and responding to cyber events, incidents and non-compliance, to include trend analysis, assembling detailed written reports and briefing the appropriate parties.
• Identifying, implementing, and enforcing overall security requirements for the proper handling and storage of Government data and electronic media.
• Conducting self-inspections and preparing for customer inspections.
• Communicating and interacting professionally during the enforcement of security policy and procedures.

Basic Qualifications:

• MUST BE A U.S. CITIZEN
• Final Transferable Secret security clearance; last Periodic Re-investigation must be within the last five (5) years or enrollment in Continuous Vetting program
• Possess a valid certification that meets or exceeds DoD 8570.01-M IAM I requirements. (e.g., CAP, CND, Cloud+, Security+ CE)
• Experience executing Security Hardening on Windows and/or Linux Operating Systems based on approved DISA STIGs and SRGs
• Experience with standard cyber security tools and applications (e.g., Splunk, ESS/Trellix ePO, ACAS/ Tenable.sc)
• Ability to build effective customer and partner relationships Desired

Skills:

• Prior experience as an ISSO, ISSM or related DoD Cyber Workforce Role
• Prior COMSEC experience.
• Proven knowledge of DCSA Assessment and Authorization Process Manual (DAAPM) / DCSA Assessment and Authorization Guide (DAAG), Joint Special Access Program Implementation Guide (JSIG), or Risk Management Framework (RMF) as a Subject…
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