Security Rep Sr / CSSO / MA

Lockheed Martin
Andover, MA

Description: *Work location can be Chelmsford, MA or Andover, MA*

You will be the Security Rep Senior on the Chelmsford Security team, supporting our special programs and Andover security operations. Our team is responsible for providing multi disciplined security support and managing internal security compliance and program activities for the Chelmsford, Westford, and Andover facilities.

What You Will Be Doing

As the Security Rep Senior you will be responsible for interpretation and execution of contract security guidance, advising program leadership on assessed security risks, shaping policy, and protecting critical assets.

Your responsibilities will include, but are not limited to:
Implement, and administer security policies, procedures, and collateral security controls in compliance with NISPOM, DFARS, DoD5205.07, and related directives.
Deliver security education and training programs for personnel and visitors.
Investigate security incidents, draft corrective action reports, and drive preventive measures.
Coordinate Security Management, PERSEC, Physical Security, Security Education, and Subcontractor Management.
Serve as point of contact for Andover security operations, as well as our lead CSSO in Chelmsford.

Why Join Us

The ideal candidate is a collaborative security professional who thrives in a fastpaced environment and brings a proactive mindset to safeguarding critical assets. This role offers the chance to influence security policy across multiple facilities, work with cuttingedge compliance frameworks, and make a tangible impact on mission success.

We are committed to supporting your worklife balance and overall wellbeing, offering flexible scheduling options. Learn more about Lockheed Martins comprehensive benefits package here .

Further Information About This Opportunity

This position is in Chelmsford or Andover, MA.

MUST BE A U.S. CITIZEN -This position is located at a facility that requiresspecial access. The selected candidate must possess an active Secret clearance with an investigation within 5 years to start.
Basic Qualifications:
Must be willing to work onsite at the office nearest to the selected candidate's residence (AndoverMA or ChelmsfordMA) for approximately 50% of the work week and travel to the alternate office location for the remaining 50% of the work week.
Knowledge and experience implementing the 32 Code of Federal Regulation Part 117, National Industrial Security Program Operating Manual (NISPOM), DoDM 5205.07, ICD 705, as well as other directives and policies.
The ability to articulate and present intelligent, decisive, and risk-managed security recommendations based on limited and/or conflicting information is also essential as is the ability to thrive and build relationships both within the corporation and externally with our government customers and industry partners.
Strong written and verbal communications, interpersonal relations (teaming), and analytical skills.
Must have an active Secret clearance with an investigation (or CV date) within 5 years.
Desired Skills:
Strong interpersonal skills, and a positive can-do attitude.
Interface with Executive Leadership in support of ongoing operations.
Work collaboratively with other entities and manage projects and subordinate assignments simultaneously within very time-sensitive environments.
Be self-driven and results-oriented, capable of effectively working multiple tasks concurrently.
Proficient in the use of MS Office applications such as Excel, PowerPoint, MS Word.
Experience using DISS, CORE, SIMS, and JADE
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Secret
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
Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $69,900 - $123,280. For states not referenced above, the salary range for this position will reflect the candidates final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.
Benefits offered: 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, and Holidays.
(Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.
This position is incentive plan eligible.
Pay Rate: The annual base salary range for this position in most major metropolitan areas in California, Massachusetts, and New York is $80,400 - $139,380. For states not referenced above, the salary range for this position will reflect the candidates final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.
Benefits offered: 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, and Holidays.
This position is incentive plan eligible.
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 5 - 30 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, youre 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: Security
Type: Full-Time
Shift: First
Posted 2026-03-20

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