May 20, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Gaithersburg, Maryland19 days ago
The ISSO is responsible for meeting regulatory and non-regulatory compliance (security best practices) demands, providing leadership over security assessment activities, working across system ownership and management organizations to test security controls, policies, and procedures, providing program management support, team leadership, and participating in and coordinating the support as needed for security assessment and activities The ISSO also manages and enforces government and corporate information security policies, provides training, and educates end users and program staff about proper security practices. The ISSO conducts security and risk assessments as required using a range of security accreditation frameworks (e.g., NIST, RMF, Common Criteria, DoD, the Intelligence Community Directives (ICDs)), and works to mitigate risks by applying security controls effectively to achieve an acceptable degree of operational risk.
Annapolis Junction, Maryland27 days ago
March 12, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Linthicum, MD30+ days ago
As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams. Experience in at least two of the following areas is required: knowledge of current security tools, hardware/software security implementation; communication protocols; or encryption tools and techniques.
Hanover, Maryland7 days ago
As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.
As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams. Experience in at least two of the following areas is required: knowledge of current security tools, hardware/software security implementation; communication protocols; or encryption tools and techniques.
Preparing and reviewing documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs). Provide support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system, program, or enclave.
p>The Maryland Department of Agriculture is a department under Maryland''s Executive Branch. Formed in 1972 by the Maryland General Assembly to address the agriculture needs for the State of Maryland, the Department oversees and serves as a regulatory body for animal health , consumer services to include marketing and lab services, plant and pest management and resource conservation. Experience: Eight (8) years of experience working in an information technology environment managing IT initiatives, budgets, procurements, IT projects, cybersecurity compliance, and resource planning, including four (4) years of direct management of IT technical staff and resources.
p>At SNS One, Inc., we support national security missions through innovative cybersecurity, systems engineering, and IT solutions. 
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Princess Anne, MD30+ days ago
Manage personnel security clearances to include coordinating with the Assistant Facility Security Officer (AFSO) initial clearance submissions and periodic reinvestigations with employees, providing guidance and instruction to employees to ensure completion of security paperwork, performing ink and electronic fingerprinting of initial clearance candidates, and providing follow-up clearance statuses on processed clearances to managers for specific contracts. Strong communication skills, strong critical thinking and problem-solving skills; self-motivated with ability to effectively prioritize multiple projects; ability to work with people in a team environment and deal effectively with changing project priorities.
Gaithersburg, MD14 days ago
li>Must be able to quickly respond to the needs for updates and maintenance of security documentation, especially System Security Plans, Plans of Actions and Milestones (POA&Ms); Security Impact Assessment for proposed system changes, and Concept of Operations that identify and explain how each system satisfies its assigned security control baselines. ![Learn more about E-verify]()
www.dhs.gov/E-Verify.
p>MITRE Industrial Security Programs (ISP) oversees the operations of classified facilities and ensures the implementation of operative security controls intended for the protection of unclassified and classified national security information (NSI) developed by or entrusted to MITRE as a member of the National Industrial Security Program (NISP). Additionally, the FSO will generate and oversee a security education training and awareness program for the technical staff operating in secure spaces within their cognizance, and will distribute periodic notifications to indoctrinated staff, emphasizing unauthorized disclosure awareness, classification management, personal reporting requirements, and day-to-day security program execution.
li>Ability to work independently in an operational environment so the contractor must possess knowledge of a full range of security principles, concepts, practices, products and services; methods for evaluating risk and vulnerability; implementing mitigating improvement; and disseminating security procedures/processes.
In this role, the SSO will handle a full range of security responsibilities for ACC Wing SCI programs, help run the Special Security Office, and provide SCI security support to local and tenant SCIFs.
Gaithersburg, MD30+ days ago
li>Experience delivering full range of security services including, but not limited to: All aspects of pre-screening hiring and onboarding new contractors, administering briefings/debriefings, security incident management, mentoring and instructing employees to ensure program and employee compliance with sponsor CI/Security regulations.
The selected candidate will need to be well versed in NISPOM, Intelligence Community Directives and SEADs, a self-starter who can prioritize security actions, provide excellent communication to employees, management and government customer, and a result driven professional to handle security issues.
li>Conduct SCI Indoctrination briefings and educational training for new and current employees and coordinate security debriefings as necessary;
Conduct candidate prescreen interviews and serve as an integral participant in the recruiting process.
Role responsibilities:
Manage and administer all security aspects for multiple programs, including implementing physical, program, facility and information security requirements to ensure compliance with NISPOM, DCIDs, ICDs, federal security regulations and information security requirements.
li>Manage personnel security clearances to include coordinating with the Assistant Facility Security Officer (AFSO) initial clearance submissions and periodic reinvestigations with employees, providing guidance and instruction to employees to ensure completion of security paperwork, performing ink and electronic fingerprinting of initial clearance candidates, and providing follow-up clearance statuses on processed clearances to managers for specific contracts. Strong communication skills, strong critical thinking and problem-solving skills; self-motivated with ability to effectively prioritize multiple projects; ability to work with people in a team environment and deal effectively with changing project priorities.
Annapolis Junction, Maryland30+ days ago
May 15, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. The selected candidate will act as an ISSO for a large software development program which includes software maintenance and development, IT support (Network/Workstation/Server), systems integration and life cycle support, enterprise application development, network engineering, and information systems security (ISS).
Share Security Officer on LinkedIn Tweet Security Officer Share Security Officer on Facebook Share Security Officer via Email. Requires standing for extended periods, walking, pushing, lifting up to 25 pounds, bending and reaching and climbing stairs.