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Senior Security Jobs in Linthicum Heights, MD

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Senior Ab Initio Developer Credence

McLean, VA

$130,000–$160,000 / year
Quick Apply

Experience building integrations across APIs, legacy systems, and heterogeneous data sources, with the ability to troubleshoot performance issues and optimize large-scale ETL workflows. This role is well suited to someone who enjoys working across complex data environments, partnering with technical and business stakeholders, and contributing to solutions where reliability, performance, and quality matter.

30+ days ago

Senior Specialist, Federal ServiceNow Developer KPMG

Washington, DC

If you're looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness, and safeguard business operations and company reputation.

30+ days ago

Security Officer- Supervisor GardaWorld Security Services U.S.

Dundalk, MD

As a Security Officer – Concierge, there is a high focus on customer service since you will be working with people on all shifts, in environments such as office towers, hotels, shopping centers, etc. GardaWorld Security is a global champion in sophisticated and tailored security solutions, employing and training highly skilled and dedicated professionals across the globe.

4 days ago

Sr Field Service Specialist - Evergreen Group CBS

Roseville, MN

Full time

Senior Electrical Technician • Field Service Technician • Substation Technician • Electrical Test Technician • Power Systems Technician • Commissioning Technician • Relay Technician • High Voltage Technician • Electrical Maintenance Technician • NETA Technician. You will work at customer facilities performing complex electrical and mechanical tasks while helping ensure power systems operate safely and reliably.

30+ days ago

Senior Security Manager, Senior Executive Services, Leadership Support Services Google LLC

Washington D.C., DC

In addition, you will be expected to cultivate and maintain working relationships with all internal stakeholders, administrative staff, government agencies, and third-party vendors to effectively manage and drive crisis communications; develop written materials and content to efficiently relay critical information to all stakeholders, conduct security advances and facilitate protective services, facilitate personal security vulnerability assessments and ensure quality control of all services rendered while tracking program performance. From keeping Googlers safe and secure to managing disruptive events, the ability to anticipate, deter, detect, and act are the pillars of Google's Global Security and Resilience Services (GSRS) team.

15 days ago

Senior Information Systems Security Officer (Sr. ISSO) - TS/SCI with Poly required Emtak

Annapolis Junction, Maryland

DoD 8570/8140 compliance with IAM Level II or IAT Level III , such as CISSP/Associate, CASP+/SecurityX, or another applicable DoD-approved certification. The ideal candidate will have a strong background in RMF, security documentation, authorization activities, continuous monitoring, and security compliance , along with the ability to work independently with technical teams and government stakeholders.

30+ days ago

Senior Security Engineer-Network Security Assessment & Post-Quantum Cryptography (PQC) - Hybrid ATD Technology LLC

Suitland, MD

$180,000–$230,000
Quick Apply

Analyze cryptographic implementations key-exchange, digital-signature, and cipher-suite selections; certificate and PKI dependencies; key management and HSM integration; and FIPS 140-2/140-3 validated modules to identify components that rely on quantum-vulnerable public-key algorithms (RSA, Diffie-Hellman, ECDH, ECDSA). Assess the impact of PQC requirements on network implementations, including larger keys and signatures affecting packet size, fragmentation, MTU, and handshake latency; hardware, ASIC, and crypto-accelerator constraints; hybrid key-establishment options; and certificate-chain and protocol interoperability.

3 days ago

Senior Security Engineer, Trust and Safety, Intel Security Engineering Google LLC

Washington D.C., DC

Outside of active incidents, they will work to improve D&R readiness, including building and maintaining playbooks and escallation processes, ensuring appropriate detection coverage, and exercising incident management processes through tabletop exercises. The Senior Security Engineer, Trust and Safety (T&S) Intel Security Engineering leads Detection and Response for severe GenAI-related security incidents impacting third-party users, customers, and the general public.

9 days ago

Senior Information Systems Security Officer ISSOInformation Systems Security Manager ISSM CALIBRE Systems Inc

Aberdeen, MD

Senior Information Systems Security Officer ISSOInformation Systems Security Manager ISSM - CALIBRE Systems Inc.

30+ days ago

Industrial Security Team Lead / Senior Facility Security Officer (Fso) Galois, Inc.

Arlington, VA

With clients including DARPA, NASA, AWS, and the DoD / DoW, we leverage our cutting-edge research to deliver high assurance solutions and tools that enhance security, reliability, and operational efficiency across sectors including aerospace & defense, healthcare, semiconductors, and fintech. In this role, you'll oversee compliance with the National Industrial Security Program Operating Manual (NISPOM), DD254 requirements, Program Classification Guides, and other customer security requirements while continuously improving security processes, risk management practices, and operational effectiveness.

30+ days ago

Senior Staff Product Security Engineer, AI Security & Security Assurance Medallia Inc

McLean, VA

$184,000–$245,000 / year

This individual will serve as the technical leader for AI Security and Security Assurance, partnering with Product, Engineering, Architecture, Data Science, and Security teams to ensure security is embedded into the design, development, and deployment of modern AI-enabled capabilities. Medallia considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, candidate's work location, education/training, key skills, internal peer equity, external market data, as well as, market and business considerations when making compensation decisions.

30+ days ago

Offshore Sr. GRC Analyst / Sr. ISSO (Information System Security Officer) Consultant | CMMC IBSS Corporation

Silver Spring, MD

Remote

Quick Apply

The ideal candidate must be capable of independently developing and maintaining System Security Plans (SSPs), identifying documentation and evidence deficiencies, and coordinating directly with stakeholders to request corrected or additional artifacts as needed. If you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please direct your inquiries to the Talent Acquisition department at Recruiting@ibsscorp.com.

30+ days ago

Senior Security Consultant, Global Proserve Security Amazon.com Inc

Arlington, VA

The ideal candidate is a highly skilled technical security professional with the ability to coach and guide executive security and cloud leaders in their journey, addressing topics such as security strategy and optimizing cloud security operations while being able to dive deep into AWS security technology. As a Senior Security Consultant, you'll work closely with customers to design, implement, and automate solutions in AWS to protect customer assets, enable customer security teams to operate more effectively, and ensure customers don't accept unnecessary risk.

30+ days ago

Senior Security Engineer, AWS Human Access Security Amazon.com Inc

Arlington, VA

As the Senior Security Engineer embedded with an AHAS software development team, you own the security design decisions for the operator-access tooling this team builds - tooling that engineers across AWS depend on to request, scope, and audit their access. Drive design decisions that lower access risk by default: scoped and time-bound credentials, reviewed privilege elevation, and auditable emergency access, so systems stay secure without depending on operator discipline.

30+ days ago

Sr. Security Engineer, Proactive Security Amazon.com Inc

Arlington, VA

AWS Security is on the innovation of many security issues for a wide variety of platforms and technologies including cloud services, Internet of things (IoT), identity and access management, mobile devices, virtualization and custom hardware, all operating at massive scale. We offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores.

26 days ago

Sr Security Engineer, Network, Leo Security Amazon.com Inc

Arlington, VA

When you"re not responding to active events, you will be evaluating Leo"s network security posture end-to-end: identifying architectural weaknesses, proposing new detection initiatives, and driving cross-team programs that raise the bar across every site type. Amazon Leo is a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband network connectivity to unserved and underserved communities around the world.

30+ days ago

Senior Security Governance and Policy Analyst CDO Technologies Inc

Washington, DC

Since 1995, CDO Technologies has delivered the best solutions for unique business problems in the commercial and federal sectors ranging from Asset Management to IT Services. This position uses comprehensive knowledge of Federal, DHS, and Intelligence Community cybersecurity policies and guidance to navigate complex cloud and on-premise environments.

30+ days ago

Project Senior Consultant, Forensics and Investigations, Senior Program Security Officer Deloitte Touche Tohmatsu Ltd

$97,700–$162,800 / year

Serving federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise. This compensation range is specific to McLean, VA and takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.

30+ days ago

Senior Information System Security Officer Sharp Solutions Inc

Washington, DC

Full time
Quick Apply

Authority to Operate and Interim Authority to OperateSupport the planning, preparation, coordination, and maintenance of the security documentation required to obtain and maintain an ATO.Support achievement of an IATO when required prior to obtaining the full ATO.Ensure authorization activities and supporting documentation comply with DHS MD 4300A and applicable DHS cybersecurity requirements. Senior Information System Security Officer (ISSO) / POA&M Remediation and Compliance SpecialistPosition SummaryThe Senior Information System Security Officer (ISSO) / POA&M Remediation and Compliance Specialist will provide senior-level cybersecurity, risk management, and compliance support for the Acquisition Systems Branch's PRM2 solution.

6 days ago

Senior Director, Business Information Security Officer (BISO) The Bank of New York Mellon Corp

Washington, DC

The role serves as a trusted partner to platform leadership and provides senior oversight and direction on security posture, control priorities, secure transformation and cyber risk decision-making. The Business Information Security Officer (BISO) is the senior security leader aligned to a platform and is responsible for embedding cyber security, cyber risk management, resilience and regulatory readiness into platform strategy, operations and change delivery.

17 days ago

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Senior Security Jobs in Linthicum Heights, MD

Senior Ab Initio Developer Credence

Senior Specialist, Federal ServiceNow Developer KPMG

Security Officer- Supervisor GardaWorld Security Services U.S.

Sr Field Service Specialist - Evergreen Group CBS

Senior Security Manager, Senior Executive Services, Leadership Support Services Google LLC

Senior Information Systems Security Officer (Sr. ISSO) - TS/SCI with Poly required Emtak

Senior Security Engineer-Network Security Assessment & Post-Quantum Cryptography (PQC) - Hybrid ATD Technology LLC

Senior Security Engineer, Trust and Safety, Intel Security Engineering Google LLC

Senior Information Systems Security Officer ISSOInformation Systems Security Manager ISSM CALIBRE Systems Inc

Industrial Security Team Lead / Senior Facility Security Officer (Fso) Galois, Inc.

Senior Staff Product Security Engineer, AI Security & Security Assurance Medallia Inc

Offshore Sr. GRC Analyst / Sr. ISSO (Information System Security Officer) Consultant | CMMC IBSS Corporation

Senior Security Consultant, Global Proserve Security Amazon.com Inc

Senior Security Engineer, AWS Human Access Security Amazon.com Inc

Sr. Security Engineer, Proactive Security Amazon.com Inc

Sr Security Engineer, Network, Leo Security Amazon.com Inc

Senior Security Governance and Policy Analyst CDO Technologies Inc

Project Senior Consultant, Forensics and Investigations, Senior Program Security Officer Deloitte Touche Tohmatsu Ltd

Senior Information System Security Officer Sharp Solutions Inc

Senior Director, Business Information Security Officer (BISO) The Bank of New York Mellon Corp

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