Contractor Special Security Officer (CSSO) / Facility Security Officer (FSO)

Posted 9 Days Ago
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Hiring Remotely in Atlanta, GA, USA
In-Office or Remote
125K-155K Annually
Senior level
Machine Learning • Security • Software • Analytics • Defense
STR Harnesses the power of technology to solve the nation's hardest problems.
The Role
The CSSO will ensure compliance for Special Access Programs and manage security for classified programs, also acting as FSO to oversee facility security requirements.
Summary Generated by Built In

Position Summary
STR seeks a skilled Contractor Special Security Officer (CSSO) to lead and maintain compliance for Special Access Programs (SAP) and classified programs at our new Atlanta facility. The CSSO will serve as the primary point of contact for SAP/SCI programs and ensure adherence to all applicable security policies and standards. The CSSO will also perform secondary Facility Security Officer (FSO) duties in support of STR’s Industrial Security Program, overseeing compliance with NISPOM and federal security requirements.
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Essential Duties and Responsibilities
CSSO Responsibilities (Primary):
•    Maintain robust security posture and compliance for multiple classified/SAP programs in accordance with DoDM 5205.07, ICD 705, and IC/DOD security policies.
•    Serve as primary liaison for SAP/SCI program security requirements; partner with STR Program Management and Security disciplines.
•    Maintain accurate personnel security records in SIMS, JADE, and Scattered Castles.
•    Conduct self-inspections, support staff assistance visits and manage external/internal program security assessments.
•    Develop, review, and implement security policies, Standard Operating Procedures, Program Protection (P2), and OPSEC/transportation plans.
•    Oversee classified material accountability, including Top Secret material.
•    Write, interpret, and administer DD254s and program documentation.
•    Review operational requirements and system specifications for incorporation of security measures.
•    Interpret and apply security classification guidance for programs.
•    Investigate/document security incidents and implement corrective actions.
•    Provide security training: initial/refresher briefings, debriefings, and foreign travel briefings.
•    Attend and participate in security and program meetings.

FSO Responsibilities (Secondary):
•    Ensure full compliance with NISPOM (32 CFR Part 117), FOCI, ITAR, and related government/contractual security requirements.
•    Oversee the stand-up and management of new cleared facilities, including FCL approval and classified builds.
•    Manage personnel clearances via DISS/NBIS, eQIP; handle onboarding, briefings, debriefings, and continuous vetting.
•    Support KMP requirements and maintain Facility Security Clearance (FCL) records.
•    Oversee physical security systems: access control, alarms, secure storage.
•    Oversee classified material receipt, storage, transmission, and destruction while maintaining accurate accountability records.
•    Prepare, issue, and track contract/subcontract DD254 forms.
•    Conduct annual self-inspections and prepare for DCSA vulnerability assessments.
•    Develop and deliver security training, including insider threat awareness.
•    Report security incidents, suspicious contacts, and foreign travel, compliant with federal policies.
Required Qualifications
•    U.S. Citizenship required.
•    Active Top Secret security clearance with SAP/SCI eligibility.
•    Minimum 5 years of experience as a CSSO, FSO, or Alternate FSO in the defense industry.
•    Bachelor’s degree preferred, or equivalent relevant security experience.
•    Completion of DCSA STEPP FSO Program Management Curriculum.
•    Demonstrated knowledge of NISPOM, ICD 705, DoDM 5205.07, FOCI, ITAR, and relevant standards.
•    Proficiency in DISS, NBIS, NISS, eQIP, SIMS, JADE, Scattered Castles, and MS Office.
•    Experience in interpreting and implementing security classifications, contracts, and incident response/mitigation.
•    Successful completion of CDSE’s “Intro to SAPs.”
•    Strong written and oral communication skills; ability to discreetly/diplomatically manage sensitive and complex communications.
Preferred Skills
•    Industrial Security Professional (ISP) or ASIS Certified Protection Professional (CPP) certification.
•    COMSEC Custodian and/or Insider Threat Program Officer (ITPSO) experience.
•    Experience in classified information technology and physical/technical security.
Key Competencies
•    Strong independent judgment and compliance orientation.
•    Expertise in security policy interpretation and development.
•    Excellent verbal and written communication skills.
•    Ability to manage complex or sensitive communication scenarios.
Physical Demands / Work Environment
•    Onsite position in Atlanta, GA.
•    Ability to stand, bend, move throughout the facility for audits/inspections.
•    Occasional travel (approx. 5–10%) as required.

Pay Information
Full-Time Salary Range: $125,000.00 to $155,000.00

The salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate’s experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.

STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.

STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.

STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at www.str.us for more info.


STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.

If you need a reasonable accommodation for any portion of the employment process, email us at [email protected] and provide your contact info.

Pursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.

Skills Required

  • U.S. Citizenship
  • Active Top Secret security clearance with SAP/SCI eligibility
  • Minimum 5 years of experience as CSSO, FSO or Alternate FSO
  • Bachelor's degree preferred or equivalent relevant security experience
  • Completion of DCSA STEPP FSO Program Management Curriculum
  • Demonstrated knowledge of NISPOM, ICD 705, DoDM 5205.07, FOCI, ITAR
  • Proficiency in DISS, NBIS, NISS, eQIP, SIMS, JADE, Scattered Castles, and MS Office
  • Experience in interpreting and implementing security classifications and incident response/mitigation
  • Successful completion of CDSE's 'Intro to SAPs'
  • Strong written and oral communication skills

What the Team is Saying

Obinna
Christina
Noam
Erez

STR Compensation & Benefits Highlights

  • Healthcare Strength Health coverage is described as “great” across medical, dental, and vision for employees and families. Feedback suggests core healthcare is a defining strength of the package.
  • Retirement Support Retirement support features a “generous 401k matching” alongside long‑term savings elements. Feedback suggests these offerings bolster financial security beyond base pay.
  • Flexible Benefits Flexible schedules and “meeting‑free Fridays” are emphasized to support balance. Feedback suggests day‑to‑day flexibility is a tangible part of the total rewards.

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The Company
HQ: Woburn, MA
800 Employees
Year Founded: 2010

What We Do

STR makes the world a safer place by developing technology and applying it to solve emerging national security challenges.

Why Work With Us

We believe in a people-first culture. Yes, we are scientists, engineers, and researchers, but first, we are people. Our environment is designed to foster innovation by encouraging our employees to work collaboratively on things they are passionate about. We also really like to have fun. We believe that working hard and playing hard go hand in hand.

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STR Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: Not Specified
HQWoburn, MA
Arlington, VA
Dayton, OH
San Diego, CA
Melbourne, FL
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