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6 security clearance jobs found in Arlington, VA

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Law Enforcement Arlington, VA security clearance
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LMI
Dec 02, 2025
Receptionist
LMI Tysons, VA, USA
Overview LMI has an immediate need for a Receptionist for our corporate office in Tysons, VA. The Receptionist provides support to the Security department by greeting and processing/checking-in all visitors, answering all incoming calls and issuing credentials and access badges.  This includes creating and issuing photo ID and access control badges to LMI visitors.  This is a full-time position. The Receptionist is expected to have the reception desk open and operating promptly at 7 : 00 a.m. and throughout the day until 4 : 0 0 p.m. Relief coverage will be provided for a 30-minute lunch, as well as morning and afternoon breaks of 15 minutes each.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready...
LMI
Dec 05, 2025
Cyber Systems Engineer
LMI Fort Belvoir, VA, USA
Overview Seeking a Cyber Systems Engineer to be responsible for protecting Army systems, networks, and data from potential threats. This role requires a proactive approach to identifying vulnerabilities, implementing security measures, and ensuring compliance with security standards. The Cyber Systems Engineer will work with Government Leads, cloud engineers, solution architects, and systems enigneers to design and develop solutions that meet the most stringent of security standards. This position requires an   Active Secret Clearance.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes...
Lockheed Martin
Oct 04, 2025
Program Security Representative
Lockheed Martin Fort Belvoir, VA, USA
Description: TS/SCI clearance with Polygraph. The Program Security Representative will perform a variety of SCI security related duties and ensure the coordination of SCI security practices and procedures. Security disciplines include, but are not limited to, program security, personnel security, completing Program Access Requests (PAR), Requests for Access (RFA), SCI nominations, classified meeting support, program management support, indoctrinations, debriefings, security incident investigations, access control, visitor control, and classification management utilizing ICDs and customer-specific guidelines. Candidate must also be able to create presentations and provide Security Education and Awareness training, write/develop/implement procedures, and provide excellent customer service. Basic Qualifications: - TS/SCI clearance with Polygraph. - Program Security experience. Desired Skills: - Experience using DISS and/or Scattered Castles, classification management,...
Lockheed Martin
Oct 09, 2025
Contractor SAP Security Officer
Lockheed Martin Manassas, VA, USA
Description: At Lockheed Martin Rotary and Mission Systems (RMS), we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach – and yours as a Lockheed Martin employee. Lockheed Martin values your skills, experience, and education. Come find your career and future! Looking for an experienced Contractor SAP Security Officer (CSSO) and/or Contractor Special Security Officer (CSSO) to work in a very dynamic high tempo environment to deliver Mission First results! The successful candidate will: develop, implement, administer and lead a Special Access Program (SAP) and Sensitive Compartmented Information (SCI) program team. Develop, implement, administer and lead SAP/SCI security policies and procedures for classified/proprietary materials, documents, and equipment. Successful candidate should have a Subject Matter Expert (SME) level of understanding of industrial security...
Lockheed Martin
Nov 06, 2025
Contractor Special Security Officer
Lockheed Martin MD, USA
Description: WHAT WE'RE DOING At Lockheed Martin Rotary and Mission Systems, we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach – and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training and education. Do you want to be part of a culture that encourages employees to think big, perform with excellence and build incredible products? We provide the resources, inspiration and focus - if you have the passion and courage to dream big, then we want to build a better tomorrow with you. Come and experience your future! THE WORK Looking for a Contractor Special Security Officer (CSSO) to work in a very dynamic high tempo environment to deliver Mission First results! The successful candidate will: implement, and administer, a Sensitive Compartmented Information (SCI) program, as well as assist in the implementation of all compliant SCI...
Lockheed Martin
Oct 17, 2025
Information System Security Officer (ISSO)
Lockheed Martin MD, USA
Description: Lockheed Martin is a pioneer in cyber security—partnering, innovating, and building cutting edge solutions. Our talented employees tackle the world’s toughest engineering challenges every day, leveraging their unique skills and experiences to design and deliver breakthrough technology. We empower our people to think big, perform with excellence, and create extraordinary products. If you have the passion and courage to dream boldly, join our culture and help build a better tomorrow. We provide the resources, inspiration, and focus you need to succeed. Lockheed Martin’s Rotary & Mission Systems (RMS) division is seeking an experienced Information System Security Officer (ISSO) to protect mission critical information systems. This role ensures confidentiality, integrity, and availability in line with DoD, NIST, and Lockheed Martin security policies, while providing day to day oversight across the system lifecycle. The Information System Security Officer (ISSO)...
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