Information Systems Security Officer Sr

Job ID: 708594BR

Date posted: Oct. 27, 2025

Description:

You will be the Information Systems Security Officer Sr for the team. Our team is responsible for ensuring the security and integrity of our information systems.

What You Will Be Doing

As the Information Systems Security Officer Sr, you will be responsible for overseeing day-to-day information system security operations, including auditing and ensuring compliance with internal LM and customer security requirements. You will also be responsible for technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF).

Your responsibilities will include:

• Overseeing day-to-day information system security operations
• Carrying out technical administration of IS in accordance with internal LM and customer security requirements
• Upkeeping, monitoring, analyzing, and responding to network and security events
• Documenting compliance actions with the ISSM to address non-compliance in the allotted time frame
• Ensuring systems are operated, maintained, and disposed of in accordance with internal security policies and practices

Why Join Us

We are looking for a collaborative and driven individual who is passionate about information systems security. As a member of our team, you will have the opportunity to work on challenging projects, develop your skills, and contribute to the success of our organization. We offer a comprehensive benefits package, flexible scheduling options, and a supportive work environment that encourages work-life balance and overall well-being.

We are committed to supporting your work-life balance and overall well-being, offering flexible scheduling options. Learn more about Lockheed Martin's comprehensive benefits package here.

Further Information About This Opportunity

This position is in Orlando. Discover more about our Orlando, Florida location.

MUST BE A U.S. CITIZEN - This position is located at a facility that requires special access. The selected candidate must possess an active Secret clearance to start.

Basic Qualifications:

• Secret Clearance with Investigation within 5

years

• Sec+ or equivalent DoD Directive 8570 / 8140

Information Assurance Management Level II

• Ability to author SSPs and maintain

authorizations to operate (ATO).

• Ability to perform technical certifications for

systems being presented to the government for

authorization.

• Knowledge of other security disciplines and

how they impact and interact with information

system security.

Desired Skills:

• Experience with NISPOM, RMF, DAAPM and

JSIG certification and accreditation processes.

• Experience working with classified information

systems.

• DoD Directive 8570 / 8140 Information Assurance Management Level III
• Previous experience working in an SAP / SCI/

Collateral environment.

• Excellent written and verbal communication

skills and ability to effectively interface with

numerous cognizant security agencies,

customers and senior management.

• Ability to manage multiple projects in a

dynamic, demanding environment.

• Knowledge of other security disciplines and

how they impact and interact with information

system security.

Prior experience as ISSO, or DoD equivalent at

an organization of similar size and complexity.

• Understanding of network concepts and Type 1

encryption devices, such as TACLANE.

• Understanding of networking concepts and

cybersecurity related tools to include, Defense

Information Systems Agency (DISA) Security

Technical Implementation Guides (STIG) and

Security Content Automation Protocol (SCAP),

and vulnerability scanners.

• Knowledge of government / contractor network

interconnectivity arrangements.

• Ability to speak in front of large groups of

people.

• Bachelors degree from an accredited college in

a related discipline, or equivalent

experience/combined education, with 7 years of

professional experience; or 5 years experience

required with a related Masters degree.

Considered experienced, but still a learner.

Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.

Clearance Level: Secret with Investigation or CV date within 5 years

Other Important Information You Should Know

Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.

Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.

Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.

Schedule for this Position: 4x10 hour day, 3 days off per week

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.

The application window will close in 90 days; applicants are encouraged to apply within days of the requisition posting date in order to receive optimal consideration.

At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you're invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.

Experience Level: Experienced Professional

Business Unit: MISSILES AND FIRE CONTROL

Relocation Available: Possible

Career Area: Cyber Security

Type: Full-Time

Shift: First