11,958 Results for

Senior Security Jobs in Bethesda, MD

Jobs

Sr. Delivery Consultant, National Security (NatSec) Professional Services (ProServe) Amazon.com Inc

Jessup, MD

We pioneered cloud computing and never stopped innovating - that's why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. The Amazon Web Services Professional Services (ProServe) team is seeking a skilled Delivery Consultant. to join our team at AWS.

30+ days ago

Senior Network Security Architect AHU Technologies

Washington, District of Columbia

$62–$69 / hour

Supporting the replacement, lifecycle management, and upgrade of networking equipment, including core, distribution, and access layer switches; routers; firewalls; and related hardware used across the agency’s network environment. Complete Description: Employment Type: Contract w2/1099/C2C The role involves supporting the replacement, lifecycle management, and upgrade of networking equipment such as switches, routers, firewalls, and related hardware across the agency’s environment.

30+ days ago

Senior Technology & Security Consultant AECOM

Washington, DC

We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

8 days ago

Sr. Delivery Consultant, National Security (NatSec) Professional Services (ProServe), WWPS ProServe Amazon.com Inc

Herndon, VA

As an experienced technology professional, you will be responsible for: Designing and implementing complex, scalable, and secure AWS solutions tailored to customer. The Amazon Web Services Professional Services (ProServe) team is seeking a skilled Delivery Consultant. to join our team at AWS.

30+ days ago

Information Systems Security Officer - TS/SCI with Polygraph GD Information Technology

McLean, Virginia

To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. Construct thorough and complete security documentation to include, but not limited to, System Security Plans (SSPs), Plan of Actions and Milestones (POA&Ms), and any other artifacts to support the Body of Evidence (BOE), for sponsor's approval.

2 days ago

Cyber Systems Security Engineering Senior - E3 Lockheed Martin Corp

Hanover, MD

$110,300–$204,900 / year

You will be the one to perform system administration, maintenance, upgrades, installation, test, integration, and configuration of VLP / LF / MF / HF / VHF / UHF / Radio Spectrum Frequencies, collection, and geo‑location systems and software - including prototypes, development builds, operational‑testing units, test rigs, and laboratory‑environment products. By leveraging your expertise in instructional design and technical training, you will play a critical role in enhancing the operational readiness of our Cyber & Intelligence teams and ensuring the success of high-stakes national security missions.

24 days ago

DevOps Cyber Systems Security Engineering Senior Lockheed Martin Corp

Hanover, MD

$110,300–$204,900 / year

You are ready to perform system administration, maintenance, upgrades, installation, test, integration, and configuration of VLP / LF / MF / HF / VHF / UHF / Radio Spectrum Frequencies, collection, and geo‑location systems and software - including prototypes, development builds, operational‑testing units, test rigs, and laboratory‑environment products. By leveraging your expertise in instructional design and technical training, you will play a critical role in enhancing the operational readiness of our Cyber & Intelligence teams and ensuring the success of high-stakes national security missions.

30+ days ago

Cyber Systems Security Engineering Sr - E3 Lockheed Martin Corp

Hanover, MD

$110,300–$204,900 / year

24 days ago

Senior ISSO StratAcuity Staffing Partners Inc

national harbor, MD

$85–$90 / hour

In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.

15 days ago

Security Guard - Part Time Unarmed Patrol License Readiness Allied Universal

Leesburg, VA

As an Unarmed Patrol Officer at a dynamic technology and media location, you will monitor and patrol assigned areas, maintain a visible presence to help deter security-related incidents, and deliver exceptional customer service. What You'll Do: Provide customer service to employees, visitors, contractors, and/or vendors at a technology and media location by carrying out security-related procedures, site-specific policies, and emergency response activities as appropriate.

8 days ago

Cyber Senior Manager - ASM Vulnerability Management - Patching Deloitte Touche Tohmatsu Ltd

McLean, VA

$163,400–$322,100 / year

As a Cyber Senior Manager - ASM Vulnerability Management - Patching on the Cyber Defense & Resilience Continuous Threat Exposure Management (CTEM) team, you will be responsible for: Leading teams that build and operate client CTEM programs, including: Managing exposure-based remediation and patching activities aligned to CTEM priorities. Experience leading vulnerability remediation and patch management across Linux, Windows, middleware, and applications at scale in complex enterprise environments; experience with BigFix, Microsoft Endpoint Configuration Manager, Red Hat Satellite, Windows Server Update Services, Tenable, Rapid7, or Qualys.

14 days ago

Information Systems Security Officer (ISSO) SNS One, Inc.

Fort Meade, MD

SNS One, Inc., a Service-Disabled Veteran-Owned Small Business (SDVOSB), is seeking an Information Systems Security Officer (ISSO) to support mission-critical cybersecurity and information assurance efforts within a highly secure government environment. Bachelor’s degree in Computer Science or related discipline from an accredited college or university Four (4) years of additional ISSO/ISO experience may be substituted in lieu of a degree.

30+ days ago

Information Systems Security Officer(ISSO) Leidos

Laurel, Maryland

Within Leidos' Cyber & Analytics Business Area, Key Management & Analytics Division , you'll work alongside professionals supporting sophisticated national-security capabilities in areas including Security Engineering, Computer Network Operations (CNO), Mission Software, Signals Intelligence (SIGINT), Cryptographic Key Management, and systems integration. August 12, 2026 For 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.

30+ days ago

Security Officer - Hospital Mobile Patrol Allied Universal

Leesburg, VA

As an Unarmed Patrol Officer in a healthcare location, you will conduct routine driving and on-foot patrols, maintain a visible presence to help deter security-related incidents, and support patients, visitors, and staff with exceptional service and communication. Conduct regular and random unarmed patrols of healthcare buildings, entrances, parking areas, and perimeter locations to help to deter unauthorized activity and identify potential concerns.

30+ days ago

Security Officer PT Unarmed Patrol Customer Interaction Allied Universal

Washington D.C., DC

As an unarmed Security Officer with Allied Universal, you will monitor and patrol a cultural institution, maintaining a visible presence to help deter incidents and support a welcoming environment for visitors, staff, and collections. Conduct regular and random unarmed patrols throughout public galleries, offices, collection-adjacent areas, entrances, and the surrounding perimeter, reporting unusual conditions or maintenance concerns.

3 days ago

Security Guard FLEX PT Loss Prevention Allied Universal

Washington D.C., DC

As a Security Guard Enhanced Part Time Loss Prevention in Washington, DC, this role is designed to provide reliable, consistent hours at an assigned site with the flexibility for you to earn more by picking-up additional shifts when it works for you. Earn More, Claim-A-Shift Program: In addition to your fixed shift, you may pick-up extra shifts through our scheduling platform, allowing you to increase earnings and gain experience across multiple sites.

3 days ago

Associate Senior AI Solutions Officer The World Bank Group

Washington, DC

Job #: req38700 Organization: World Bank Sector: Information Technology Grade: GG Term Duration: Open-Ended Staff (OPEN-OP) Recruitment Type: Local Recruitment Location: Washington, DC,United States Required Language(s): English Preferred Language(s): Closing Date: 10/30/2026 (MM/DD/YYYY) at 11:59pm UTC. VPU Context: The Information and Technology Solutions (ITS) Vice Presidential Unit (VPU) enables the World Bank Group to achieve its mission of ending extreme poverty and boost shared prosperity on a livable planet by delivering transformative information and technologies to its staff working in over 150+ locations.

11 days ago

Security Guard Allied Universal

Chantilly, VA

As an Unarmed Patrol Officer supporting a dynamic technology, media, and telecommunications location, you will conduct routine patrols, maintain a visible presence to help deter incidents, and report security-related concerns. What You'll Do: Provide customer service to employees, visitors, and contractors at a technology, media, and telecommunications location by carrying out site-specific security-related procedures, policies, and emergency response activities.

7 days ago

Senior Special Programs Security Manager (CSSO/CPSO) OpenAI

Washington, District of Columbia

For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. Enjoy building teams, improving operating models, clarifying ownership, and creating durable processes in fast-moving environments, and are eager to use approved AI tools, agents, and automations to reduce administrative burden, improve visibility, and scale sound judgment without replacing sponsor approvals, security authority, or required human review.

30+ days ago

Senior Special Programs Security Manager (Csso/Cpso) OpenAI

Washington, DC

30+ days ago

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Senior Security Jobs in Bethesda, MD

Sr. Delivery Consultant, National Security (NatSec) Professional Services (ProServe) Amazon.com Inc

Senior Network Security Architect AHU Technologies

Senior Technology & Security Consultant AECOM

Sr. Delivery Consultant, National Security (NatSec) Professional Services (ProServe), WWPS ProServe Amazon.com Inc

Information Systems Security Officer - TS/SCI with Polygraph GD Information Technology

Cyber Systems Security Engineering Senior - E3 Lockheed Martin Corp

DevOps Cyber Systems Security Engineering Senior Lockheed Martin Corp

Cyber Systems Security Engineering Sr - E3 Lockheed Martin Corp

Senior ISSO StratAcuity Staffing Partners Inc

Security Guard - Part Time Unarmed Patrol License Readiness Allied Universal

Cyber Senior Manager - ASM Vulnerability Management - Patching Deloitte Touche Tohmatsu Ltd

Information Systems Security Officer (ISSO) SNS One, Inc.

Information Systems Security Officer(ISSO) Leidos

Security Officer - Hospital Mobile Patrol Allied Universal

Security Officer PT Unarmed Patrol Customer Interaction Allied Universal

Security Guard FLEX PT Loss Prevention Allied Universal

Associate Senior AI Solutions Officer The World Bank Group

Security Guard Allied Universal

Senior Special Programs Security Manager (CSSO/CPSO) OpenAI

Senior Special Programs Security Manager (Csso/Cpso) OpenAI

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