Thomas Leonard Sr
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Thomas Leonard Sr Email & Phone Number

Facility Security Officer and Contractor Program Security Officer at Leidos
Location: Herndon, Virginia, United States 12 work roles 1 school
3 work emails found @leidos.com LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

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Work email t****@leidos.com
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Current company
Role
Facility Security Officer and Contractor Program Security Officer
Location
Herndon, Virginia, United States
Company size

Who is Thomas Leonard Sr? Overview

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Quick answer

Thomas Leonard Sr is listed as Facility Security Officer and Contractor Program Security Officer at Leidos, a with 35622 employees, based in Herndon, Virginia, United States. AeroLeads shows a work email signal at leidos.com and a matched LinkedIn profile for Thomas Leonard Sr.

Thomas Leonard Sr previously worked as Facility Security Officer / Contractor Program Security Officer at Leidos and Facility Security Office/Program Security Officer at Lockheed Martin. Thomas Leonard Sr holds Bachelor Of Business Administration (B.B.A.), Business Administration And Management, General from Strayer University.

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*@leidos.com
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Profile bio

About Thomas Leonard Sr

Security Manager/Facility Security Officer with over 29 years experience. Accomplished professional leader with management experience and strong background supporting various Federal Government, Commercial and IC&DoD IT markets and customers. Ability to oversee and manage large numbers of employees while ensuring completion of project deadlines. Seeking a challenging position that will enhance over twenty-nine years of increased responsibility, education and professional work experience.

Listed skills include Physical Security, Management, Dod, Security, and 15 others.

Current workplace

Thomas Leonard Sr's current company

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Leidos
Leidos
Facility Security Officer and Contractor Program Security Officer
Herndon, VA, US
Website
Employees
35622
AeroLeads page
12 roles

Thomas Leonard Sr work experience

A career timeline built from the work history available for this profile.

Facility Security Officer And Contractor Program Security Officer

Herndon, Va, Us

Facility Security Officer / Contractor Program Security Officer

Northern Va

FSO/CPSO

Facility Security Office/Program Security Officer

Northern Virginia & Maryland

Develop, and administer security program and procedures for classified and proprietary materials, documents, and equipment. Implement federal and customer security regulations that apply to NISPOM regulations and company operations. Obtains rulings, interpretations, and acceptable deviations for compliance with regulations from government agencies. Prepares manuals outlining regulations, and establishes procedures for handling, storing, and keeping records, and for granting personnel and… Show more Develop, and administer security program and procedures for classified and proprietary materials, documents, and equipment. Implement federal and customer security regulations that apply to NISPOM regulations and company operations. Obtains rulings, interpretations, and acceptable deviations for compliance with regulations from government agencies. Prepares manuals outlining regulations, and establishes procedures for handling, storing, and keeping records, and for granting personnel and visitors’ access to restricted records and materials. Conducts security education classes. Investigates security violations and prepares reports specifying preventive action to be taken. Previous Program Security experience (Including extensive knowledge of NISPOM, NISPOMSUP, applicable DCIDs, ICDs and Executive Orders). Knowledge of JPAS, SIMS, and Microsoft Office products. Also work with Acquisitions Security and Business Development Teams providing guidance and writing Security Plans/ Volumes in response to Request for Proposals. Show less

Jun 2009 - Aug 2016

Security Manager/Pso

Northern Virginia

Managed a 63 person proprietary armed security guard force including three team managers, maintaining physical security of a secure complex. Responsible for developing and administering security procedures and programs for classified operations. Maintains staffing requirements to ensure a balanced guard force complement. Provide supervisory direction and performance evaluations of guard force, team supervisors and training captain to ensure efficient security support to the Area Security… Show more Managed a 63 person proprietary armed security guard force including three team managers, maintaining physical security of a secure complex. Responsible for developing and administering security procedures and programs for classified operations. Maintains staffing requirements to ensure a balanced guard force complement. Provide supervisory direction and performance evaluations of guard force, team supervisors and training captain to ensure efficient security support to the Area Security Officer and Program Security Manager. Coordinated with government agencies to obtain rulings, interpretations and acceptable deviations for compliance with regulations. Conducted security education classes. Investigated security violations and prepared reports specifying preventive action to be taken. Show less

Jul 2008 - Jul 2009

Security Manager

Northern Virginia

Managed Registry, Courier Operations and Access Control Office at a large customer site. Managed the development and administration of security programs and procedures for classified or proprietary materials, documents, and equipment. Responsible for coordinating subordinate employee recruitment, selection and training, performance assessment, work assignments, salary, and recognition/disciplinary actions.

Jul 2007 - Jul 2008

Contractor Special Security Officer (Csso)

Northern Virginia

Supported over 150 Lockheed Martin and subcontractor employees on the NCTC/SETA program under the National Intelligence Solutions line of business within IS&GS, including personnel at customer site. Manage and administer all relevant Intelligence Community and NISPOM security requirements, policies, procedures for the program. Interface with customer security, senior Lockheed Martin Corporation (LMC) and program personnel on a daily basis in the performance of my duties. Provide security… Show more Supported over 150 Lockheed Martin and subcontractor employees on the NCTC/SETA program under the National Intelligence Solutions line of business within IS&GS, including personnel at customer site. Manage and administer all relevant Intelligence Community and NISPOM security requirements, policies, procedures for the program. Interface with customer security, senior Lockheed Martin Corporation (LMC) and program personnel on a daily basis in the performance of my duties. Provide security support to LMC program staff, as well as subcontractor personnel on the specific contracts supported. Manage all aspects of the personnel security and security awareness program for the contract. Oversee and conduct investigations of security incidents and preparation of reports specifying preventative action to be taken. Show less

Jan 2007 - Jul 2007

Assistant Facility Security Officer (Fso)

Northern Virginia

Supported Washington Metro Area government contract, including personnel at customer site. Administered all relevant security requirements, policies, procedures, in coordination with all stakeholders (e.g., customer, Legal, Facilities, Staffing, and Engineering). Interfaced with customer Security and Program personnel as required. Provided consultative Security support to program staff, as well as subcontractor program personnel on the specific contract requirements. Managed all aspects of the… Show more Supported Washington Metro Area government contract, including personnel at customer site. Administered all relevant security requirements, policies, procedures, in coordination with all stakeholders (e.g., customer, Legal, Facilities, Staffing, and Engineering). Interfaced with customer Security and Program personnel as required. Provided consultative Security support to program staff, as well as subcontractor program personnel on the specific contract requirements. Managed all aspects of the personnel security program for the contract. Served as assistant to the Facility Security Officer as functional lead in ESH and Program Security. Developed and implemented a comprehensive security program in support of all security activities. Manage all facets of the Security Program and assure compliance with contractually required performance criteria, financial, operational and technical objectives. Show less

Nov 2004 - Dec 2006

Program Security Officer (Pso)

Northern Virginia

Directly responsible for managing industrial and classified security program for the SCOMS Program. Charged with developing a comprehensive security program for the program. Responsibilities include, providing program security guidance and support to include management of classified or proprietary materials, documents, and classified equipment; personnel security/coordination for clearance processing; briefings, debriefings and security education; computer security guidance; conducting site… Show more Directly responsible for managing industrial and classified security program for the SCOMS Program. Charged with developing a comprehensive security program for the program. Responsibilities include, providing program security guidance and support to include management of classified or proprietary materials, documents, and classified equipment; personnel security/coordination for clearance processing; briefings, debriefings and security education; computer security guidance; conducting site surveys with engineering team to ensure sites are compliant with government physical security standards. Coordinates with government agencies to obtain rulings, interpretations, and acceptable deviations for compliance with regulations. Show less

Oct 2003 - Nov 2004

Manager, Physical Security

Northern Virginia

Served as Manager, Security Force Operations, responsible for directing the day-to-day activities of the 60 member facility protection team. Duties include: oversight of daily site operations and performance of salaried and represented security force personnel; interface with other LM sites to ensure consistency of practice; consistent implementation of compliant and cost-effective security solutions; interface with site Special Security Officer (SSO) and other government security customers… Show more Served as Manager, Security Force Operations, responsible for directing the day-to-day activities of the 60 member facility protection team. Duties include: oversight of daily site operations and performance of salaried and represented security force personnel; interface with other LM sites to ensure consistency of practice; consistent implementation of compliant and cost-effective security solutions; interface with site Special Security Officer (SSO) and other government security customers, senior program and functional management, Federal, State and Local law enforcement agencies. Show less

Feb 2000 - Oct 2003

Physical Security Supervisor /Security Duty Officer

Northern Virginia

Responsible to the Manager, Security Support. Responsible for the overall security integrity of the complex, which includes two facilities. These responsibilities include, but are not limited to: Direct management of a security patrol team comprised of up to fifteen security officers, ensuring training of those personnel is completed and conducting performance appraisals. Interact with customer personnel on issues relating to security policies and procedures.

Aug 1994 - Feb 2000

Security Officer/Security Officer Lieutenant

Ge Aerospace/Martin Marietta

Northern Virginia

Assistant to the Security Duty Officer/Team Lead. Provide physical security of the complex, monitoring the security control center, generating security reports, maintaining the security lobby desk, conducting interior and exterior patrols of two facilities and the surrounding grounds and the safeguarding of classified material and equipment.

Jun 1990 - Aug 1994

Squad Leader / Enlisted Instructor

United States Marine Corps

Various

Served in a variety of capacities, which included: Squad Leader, Training Coordinator/Administrative Clerk. As a Squad Leader I was responsible for guiding and directing, thirteen Marines, making tactical decisions and enforce rules. As Enlisted Instructor provided instruction and also served as aggressors for exercises at The Basic School, educating newly commissioned officers of essential battle skills and use of weapons. While serving as the training coordinator for the The Basic School I… Show more Served in a variety of capacities, which included: Squad Leader, Training Coordinator/Administrative Clerk. As a Squad Leader I was responsible for guiding and directing, thirteen Marines, making tactical decisions and enforce rules. As Enlisted Instructor provided instruction and also served as aggressors for exercises at The Basic School, educating newly commissioned officers of essential battle skills and use of weapons. While serving as the training coordinator for the The Basic School I developed and administered the training program for the unit, which was compromised of 460 Officer and Enlisted Marines. Show less

Oct 1985 - Apr 1990
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Colleagues at Leidos

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1 education record

Thomas Leonard Sr education

FAQ

Frequently asked questions about Thomas Leonard Sr

Quick answers generated from the profile data available on this page.

What company does Thomas Leonard Sr work for?

Thomas Leonard Sr works for Leidos.

What is Thomas Leonard Sr's role at Leidos?

Thomas Leonard Sr is listed as Facility Security Officer and Contractor Program Security Officer at Leidos.

What is Thomas Leonard Sr's email address?

AeroLeads has found 3 work email signals at @leidos.com for Thomas Leonard Sr at Leidos.

Where is Thomas Leonard Sr based?

Thomas Leonard Sr is based in Herndon, Virginia, United States while working with Leidos.

What companies has Thomas Leonard Sr worked for?

Thomas Leonard Sr has worked for Leidos, Lockheed Martin, Ge Aerospace/Martin Marietta, and United States Marine Corps.

Who are Thomas Leonard Sr's colleagues at Leidos?

Thomas Leonard Sr's colleagues at Leidos include Nic Tagliaferro, Shane Utley, Joe Defrancisco, Guy Usher, and Sarah Estevez.

How can I contact Thomas Leonard Sr?

You can use AeroLeads to view verified contact signals for Thomas Leonard Sr at Leidos, including work email, phone, and LinkedIn data when available.

What schools did Thomas Leonard Sr attend?

Thomas Leonard Sr holds Bachelor Of Business Administration (B.B.A.), Business Administration And Management, General from Strayer University.

What skills is Thomas Leonard Sr known for?

Thomas Leonard Sr is listed with skills including Physical Security, Management, Dod, Security, Security Management, Personnel Security, National Security, and Security Clearance.

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