9,972 Results for

Senior Security Jobs in Ellicott City, MD

Jobs

Baseline Security Engineer, Senior MBL TECHNOLOGIES, INC.

Washington, DC

Preferred Qualifications: Experience with Cisco, Juniper, Palo Alto, Windows Server, Red Hat, Linux, AWS, Azure, Salesforce, Okta, Microsoft 365, or ServiceNow. MBL Technologies is seeking an experienced Baseline Security Engineer, Senior to support cybersecurity engineering, vulnerability management, and compliance initiatives for a federal government customer.

1 day ago

Senior Product Manager, AgencyIQ by POLITICO Politico

Arlington, Virginia

The ideal candidate has a strong grasp of AI coding tools (Codex, Claude Code, etc.), can speak in technical terms with the engineering team, and has a proven ability to translate subscriber insights into product roadmaps that deliver commercial results. • Scope and prototype reliable ways to collect public data from government sources in the United States, Europe, Japan, and other global jurisdictions using official APIs or structured feeds where available and compliant scraping where appropriate.

2 days ago

Senior Information Systems Security Engineer (ISSE) Power3 Solutions

Maryland

Power3 Solutions is supporting a cybersecurity and physical security firm committed to protecting the infrastructure that underpins national security. Perform security-focused system/network designs that span multiple enclaves and data classifications.

30+ days ago

Sr. Security Software Enginer (Starshield) SpaceX

Washington, DC

$170,000–$265,000 / year

The Starshield team is building highly reliable in-space mesh networks, designing secure systems to guarantee access to space, designing next-gen communication and sensing software, and more. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

3 days ago

Sr. Contracts Specialist Guidehouse

Bethesda, Maryland

Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. Leverage expertise in negotiation, handle multiple priorities effectively, work with a wide variety of technical and project management staff, and apply knowledge of risk assessments and federal procurement topics.

30+ days ago

Information Systems Security Officer (ISSO), Senior Advisor TS/SCI w/poly Peraton Inc

$146,000–$234,000 / year

Benefits: Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and participation in an attractive bonus plan. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.

30+ days ago

Senior Vice President, Information Security The Bank of New York Mellon Corp

Washington, DC

Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. To be successful in this role, we're seeking the following: Bachelor''s degree in computer science or a related discipline, or equivalent work experience required, advanced degree preferred.

22 days ago

Senior Cyber Security Configuration Management Federal National Mortgage Association

Reston, VA

The Senior Cyber Security Configuration Management role will offer you the flexibility to make each day your own, while working alongside people who care so that you can deliver on the following responsibilities: Collaborate with team on assessments of systems and networks within the network environment. Strong understanding of the cyber threat landscape and experience mitigating threats such as DDoS attacks, phishing, malicious payloads, cloud-based threats, and mobile device risks.

8 days ago

Federal Financial Management Senior Consultant Guidehouse

Arlington, VA

$98,000–$163,000 / year

Incoming Senior Consultants will work with Chief Financial Officer (CFO) organizations to help them address their most pressing challenges in internal control, financial reporting, and process optimization. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.

8 days ago

Senior Cloud Information System Security Officer ManTech

Washington, DC

Hold at least one of the following certifications: AWS Certified Cloud Practitioner, AWS Certified Security – Specialty, (ISC)2 Certified Cloud Security Professional (CCSP), AWS Certified Solutions Architect – Associate, AZ-500: Microsoft Certified: Azure Security Engineer Associate, Google - Professional Cloud Security Engineer. + Hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP), Global Information Security Professional (GISP), or the CompTIA Advanced Security Practitioner (CASP), Certified Information System Manager (CISM), or Information Assurance Management (IAM) Level II proficiency.

30+ days ago

Sr. Security Engineer, GRC Fintech & Financial Services Twitter

Washington, DC

$152,000–$258,000 / year

The ideal candidate brings hands-on fintech compliance experience (PCI DSS, NYDFS, FFIEC), fluency in data privacy frameworks (GDPR, CCPA), and GRC engineering skills: Compliance-as-Code, continuous evidence collection, and deep partnership with engineering so controls are designed into the platform rather than bolted on after the fact. Design, implement, and validate technical controls relevant to fintech environments (cardholder data environment scoping and segmentation, access control, logging, encryption, change management, vulnerability management) - not just document them.

7 days ago

Senior Network Security Engineer SOMERSET STAFFING

Washington, DC

Quick Apply

Leveraging 11+ years of cybersecurity expertise, you will proactively manage network threats, drive security automation, align controls with regulatory frameworks, and mentor junior engineering staff to strengthen the organization's overall security posture. In this high-impact role, you will be responsible for safeguarding critical enterprise infrastructure across on-premises networks and multi-cloud environments (AWS and Microsoft Azure) with a heavy focus on Palo Alto Networks firewalls.

2 days ago

Senior Security Analyst / FSO Iridium Communications Inc

McLean, VA

$108,000–$140,000 / year

5+ years of experience managing physical security in accordance with 32 CFR Part 117 NISPOM Rule and ICD 705 requirements, serving as an FSO, Assistant FSO, Contractor Site Security Manager (CSSR), Contractor Program Security Officer (CPSO), and/or Contractor Security Officer (CSO). What You'll Do: Serve as Facility Security Officer (FSO), Contractor Security Officer (CSO), or Contractor Program Security Officer (CPSO), managing the physical security of multiple facilities in compliance with 32 CFR Part 117 NIPSOM Rule and ICD 705 requirements.

30+ days ago

Information Systems Security Expert (ISSE) (Mid to Senior Level) Full Scope

Suitland, Maryland

Applies system security engineering expertise in one or more of the following to: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing. Designs, develops, implements and/or integrates IA and security systems and system components including those for networking, computing, and enclave environments to include those with multiple enclaves and with differing data protection/classification requirements.

30+ days ago

Senior Site Reliability Engineer (Edge Security) Cvent

Tysons Corner, Virginia

Full time

AI-assisted Workflow & Process Automation : experience using or building AI-powered automations in operational contexts, such as automated incident summarization, alert enrichment, WAF log analysis, change risk assessment, or post-mortem drafting using LLM integrations (for example via MCP tools, Claude Code, Slack bots, or custom pipelines). In This Role, You Will: Own the edge security and routing layer: WAF rule management, CDK deployments, Shield Advanced policy configuration via AWS Firewall Manager (FMS), and CloudFront distribution management across multiple AWS accounts.

30+ days ago

Technical Business Analyst - Senior Guidehouse

Dc, District of Columbia

$113,000–$188,000 / year

Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. Provide insights to clients to help establish project priorities, resources, and timelines, building trusted relationships with stakeholders along the way.

30+ days ago

Sr. Staff Security Engineer - AI, VMR, Offensive Security GEICO GENERAL INSURANCE COMPANY

Bethesda, MD

$120,000–$260,000 / year

This role blends deep security engineering expertise with strong architectural leadership, hands-on experience, leveraging frontier AI models for security, drive customer success, and provide advisory to senior executive leaders. You are equally comfortable advising executive leadership as you are designing and building secure systems, bringing a rare blend of strategic influence and deep engineering execution to elevate the organization's security posture.

30+ days ago

Sr Cyber Security Engineer LASERSHIP, INC.

Remote

$156,000–$195,000 / year

Identity and privileged-access engineering: Design, deploy, and maintain enterprise identity services across Entra ID and hybrid Active Directory, including SAML/OIDC federation, SSO, Conditional Access, MFA and phishing-resistant authentication, joiner/mover/leaver automation, RBAC, role and group governance, access reviews, credential vaulting, session monitoring, just-in-time elevation, tiered administration, service-account governance, and break-glass procedures. Vulnerability, endpoint and mobile security: Operate Qualys, including asset coverage, tagging, authenticated scanning, agents, policy compliance, and risk-based reporting; drive remediation within established SLAs; and manage compliance, configuration, enrollment, encryption, patching, application deployment, and device-posture signals across Intune, JAMF, and Google device management for Windows, macOS, iOS, and Android.

30+ days ago

Sr. Principal Information System Security Officer (ISSO) (TS/SCI with Polygraph Clearance Required) GD Information Technology

McLean, Virginia

Support assessment preparation for security control audits, traditional security reviews, and formal inspections, including preparing for and executing FedRAMP/IL6 third-party assessment organization (3PAO) assessments, DoW CDS assessments as needed, and IC assessments. Support Assessment & Authorization (A&A) execution for classified commercial cloud service offerings, and Cross Domain Solutions (CDS) as needed, through the entire respective FedRAMP/DoW IL6 and/or RMF lifecycles to obtain and maintain the applicable authorizations.

5 days ago

Senior Internal Controls, Audit Remediation, Readiness, And Risk Management Consultant Guidehouse

Mclean, VA

Demonstrates proven thorough abilities in the following areas: Internal control assessments; Entity level controls, risk management, and fraud risk assessments; Supporting management control programs; Understanding deficiencies communicated by the auditor, tracking audit PBC requests, responding to audit requests, developing corrective action plans, and executing remediation with a focus on internal controls over financial reporting and management financial statement assertions; and, Implementing the revised OMB Circular A-123, Appendix A. Demonstrates the ability to understand client needs, participate within a team environment, and communicate throughout internal and external network in a manner that allows for successful execution of tasks. Evaluating internal controls over financial reporting (ICOFR) and internal controls over operations in line with OMB Circular A-123 for a range of financial and business process areas, to including performing end-to-end walkthroughs of business processes, documenting business processes and controls, testing the design and operating effectiveness of internal controls, and reporting on deficiencies.

8 days ago

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Senior Security Jobs in Ellicott City, MD

Baseline Security Engineer, Senior MBL TECHNOLOGIES, INC.

Senior Product Manager, AgencyIQ by POLITICO Politico

Senior Information Systems Security Engineer (ISSE) Power3 Solutions

Sr. Security Software Enginer (Starshield) SpaceX

Sr. Contracts Specialist Guidehouse

Information Systems Security Officer (ISSO), Senior Advisor TS/SCI w/poly Peraton Inc

Senior Vice President, Information Security The Bank of New York Mellon Corp

Senior Cyber Security Configuration Management Federal National Mortgage Association

Federal Financial Management Senior Consultant Guidehouse

Senior Cloud Information System Security Officer ManTech

Sr. Security Engineer, GRC Fintech & Financial Services Twitter

Senior Network Security Engineer SOMERSET STAFFING

Senior Security Analyst / FSO Iridium Communications Inc

Information Systems Security Expert (ISSE) (Mid to Senior Level) Full Scope

Senior Site Reliability Engineer (Edge Security) Cvent

Technical Business Analyst - Senior Guidehouse

Sr. Staff Security Engineer - AI, VMR, Offensive Security GEICO GENERAL INSURANCE COMPANY

Sr Cyber Security Engineer LASERSHIP, INC.

Sr. Principal Information System Security Officer (ISSO) (TS/SCI with Polygraph Clearance Required) GD Information Technology

Senior Internal Controls, Audit Remediation, Readiness, And Risk Management Consultant Guidehouse

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