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Cyber Security Jobs in Columbia, MD

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Splunk Cyber Security SME (Remote) PlanIT Group

Arlington, VA

Remote

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Manages knowledge objects (fields, extractions, tags, event types, lookups, workflow actions, aliases, macros, and so on) – through automations, scripting, management server functions; to include. This role demands deep expertise in Splunk system architecture, design, implementation, configuration and operational support in a hybrid on-prem Unix/Linux and cloud-based environment.

Today

IT Security Specialist PlanIT Group

Reston, VA

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Manages and administers a wide range of security systems and tools: o Administers cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions. o Operates cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions.

Today

Sr. Systems Engineer Esri

Vienna, VA

$81,120–$166,400 / year

Have working knowledge and experience with ICD 503, NIST 800-53r4/5 controls, NIST 800-171R2, NIST Risk Management Framework, NISPOM Chapter 8, DCSA DAAPM 2.2. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.

18 days ago

Sr. Software Engineer - CTJ - Poly Microsoft

Reston, VA

$119,800–$234,700 / year

Masters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.

Today

DevSecOps Engineer PlanIT Group

Washington, DC

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Experience with creating and improving automation scripts across multiple technical stacks using Python, • Experience with troubleshooting and resolving issues related to both open source and commercial tools in public cloud environments. • Experience with AWS & Azure & the development of tools and processes to drive DevSecOps maturity by automating builds, regression testing, monitoring, and pushing releases across environments.

3 days ago

Senior Google Cloud Platform Looker Developer Credence

Tysons, VA

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This hands-on software development role will design, build, integrate, test, deploy, troubleshoot, and sustain enterprise analytics applications using Google Cloud Platform, Looker Enterprise, LookML, and Looker Studio or Looker Studio Pro. At least three years of hands-on Google Looker Enterprise and LookML development experience, including production semantic models, Explores, dashboards, reusable components, access controls, testing, deployment, and sustainment.

12 days ago

Sr DevSecOps Engineer System One

Fort Meade, MD

$145,000 / hour
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This role bridges full-stack software development with automated security gates, enforcing compliance with DoDI 8430 (Accelerated Mission Software Development), the DoD Software Modernization Strategy, and Continuous Authorization to Operate (cATO) criteria. cATO & Governance Automation - Implement automated policy-as-code to satisfy continuous compliance gates under DoDI 8430 and OSD CIO cATO requirements (Real-time Visibility, Active Cyber Defense, Pipeline Attestation).

12 days ago

Pentest Operator / Penetration Tester (Top Secret Clearance) System One

Calverton, MD

$120,000–$170,000 / year
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The Pentest Operator will support and lead pentesting engagements on High Value Asset (HVA) systems and enterprise security assessments, helping clients understand real-world attack paths, validate defensive controls, and prioritize remediation activities based on mission risk. The role includes internal and external network testing, web application testing, Active Directory assessment, adversary emulation, red team and purple team activities, vulnerability validation and reporting, and developing and presenting executive-level out-briefs.

Today

Cyber Security Engineer (Expert) Job#927 Allen Integrated Solutions

Washington, DC

Assists with leading the development of system concepts, contribute to the capability phase of the systems development lifecycle, and translate technology and environmental conditions (e.g., law and regulation) into system security designs and processes. Expert working experience in government or industry leading enterprise-level cyber security efforts involving architecting, designing, development, and configuration of cloud and on premise based systems and software.

23 days ago

Manager, Cyber Security - Information Security Office Consultant Capital One Financial Corp

McLean, VA

$197,300–$225,100 / year

2+ years of experience evaluating AI technologies and integrations for security, privacy, and compliance risks, with knowledge of common AI attack vectors, model vulnerabilities, prompt injection, data leakage, model abuse, and supply chain risks. Coordinate and execute proactive Information Security consulting to the business and technology teams covering Infrastructure Security, Resiliency, Data Security, Network Architecture and Design, and User Access Management.

24 days ago

Cyber Security Engineer Peraton

Reston, Virginia

$135,000–$216,000 / year
Full time

Qualifications: 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 eligible to participate in an attractive bonus plan. Desired: Expert working experience in government or industry leading enterprise-level cyber security efforts involving architecting, designing, development, and configuration of cloud and on premise based systems and software.

30+ days ago

Cyber Security Engineer (Expert) Core-CSI LLC.

Reston, VA

Full time
Quick Apply

DoD 8570 Level II (IASAE) certification compliance Desired: •Expert working experience in government or industry leading enterprise-level cyber security efforts involving architecting, designing, development, and configuration of cloud and on premise based systems and software. Skills and Experience: Required: •Master's degree in Engineering, Computer Science, Information Technology, Management Information Systems, or related STEM degree program, or equivalent Expert level work experience as a Cyber Security Engineer.

1 day ago

TS/SCI Cleared Expert Cyber Security Engineer Assured Consulting Solutions

Reston, VA

11 days ago

Cyber Security Engineer Peraton Inc

Reston, VA

$135,000–$216,000 / year

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 eligible to participate in an attractive bonus plan. Desired: Expert working experience in government or industry leading enterprise-level cyber security efforts involving architecting, designing, development, and configuration of cloud and on premise based systems and software.

30+ days ago

Sr. Manager, Cyber Security - Information Security Office Consultant Capital One Financial Corp

McLean, VA

$229,900–$262,400 / year

Coordinate and execute proactive Information Security consulting to the business and technology teams covering Infrastructure Security, Resiliency, Data Security, Network Architecture and Design, and User Access Management. Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter.

30+ days ago

Cyber Security Engineer TEEMA

Washington DC, DC

$55–$62
Quick Apply

Bachelor’s degree in Cybersecurity, IT, Computer Science, or related field, or equivalent experience (3+ years in security engineering/operations and 4+ years in incident response). This role is ideal for a cybersecurity professional who thrives in a fast-paced environment, combining incident response expertise with forward-looking security engineering.

6 days ago

Cyber Security Engineer III Textron Inc

Hunt Valley, MD

$110,500–$167,900 / year

Qualifications + Bachelor's Degree in Computer Science, or other Engineering or Technical discipline + 5 years of professional related experience + High level understanding of operating system security settings, configuration, and policies (Windows, Red Hat and/or other Linux) virtual environments, and/or scripting languages (Python, PowerShell, Bash, etc.) + Able to work in team environments and independently + Familiarity and practical experience with Risk Management Framework + Experience with STIG application, testing, and compliance + Experience writing and/or assisting with security authorization documentation and certification procedures + Experience supporting FISMA audits and Assessment events + Experience using Nessus, ACAS, NMAP, DISA STIGS, SCAP, IAVAs + Excellent written and communication skills + Ability to write procedures and other informative correspondence + Ability to read, analyze and interpret security regulations + Good analytical and problem-solving skills to troubleshoot and resolve information security issues + Ability to obtain and maintain a U.S. Security Clearance. Recruiting Company: Textron Systems Primary Location: US-Maryland-Hunt Valley Job Function: Engineering Schedule: Full-time Job Level: Individual Contributor Job Type: Experienced Shift: First Shift Travel: Yes, 25 % of the Time Job Posting: 10/27/2026, 7:36:44 AM Job Number: 345880.

4 days ago

Cyber Security Engineer – Penetration Tester (Journeyman) OneZero Solutions

Washington, DC

Full time
Quick Apply

Offensive Security Certification (any one of the following)GIAC Penetration Tester (GPEN)Red Team Apprentice Course (RTAC)Or equivalentIAT Level II (any one of the following, or one of the IAT Level III certifications noted below)CompTIA Security+ CECompTIA CySA+CCNA SecurityGICSPGSECSSCPIAT Level III (any one of the following)CompTIA CASP+ CE (SecurityX)CISSP (or Associate)CISACCNP SecurityGCEDGCIHEducationBachelor's degree (BA/BS) or equivalent years of relevant experience. Position Title: Cyber Security Engineer – Penetration Tester (Journeyman)Location: Hybrid Alexandria, VAClearance: Top Secret / SCIAdversary SimulationDeploy, configure, and operate Command and Control (C2) frameworks such as Cobalt Strike, Havoc, Mythic, and Sliver.

25 days ago

Cyber Security Engineer (High Level Clearance Required) ICF

Fort Meade, Maryland

Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. Intermediate knowledge of Security Onion or Splunk, including interface requirements, scalability considerations, and enterprise configurations; understanding of VMware port properties and their relationship to sensor ports and promiscuous mode.

30+ days ago

Cleared Cyber Security Engineer Trellix

Columbia, Maryland

Combining AI-native security, operational threat intelligence, and automated detection and response, Trellix provides defense-grade protection at machine speed across on-premises, air-gapped, operational technology, hybrid, and cloud environments. Trellix is supporting a critical U.S. Public Sector customer in the planning, deployment, migration, operation, and sustainment of key endpoint security systems comprised of Trellix and third-party technologies with focus on endpoint detection and response (EDR-F).

13 days ago

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Cyber Security Jobs in Columbia, MD

Splunk Cyber Security SME (Remote) PlanIT Group

IT Security Specialist PlanIT Group

Sr. Systems Engineer Esri

Sr. Software Engineer - CTJ - Poly Microsoft

DevSecOps Engineer PlanIT Group

Senior Google Cloud Platform Looker Developer Credence

Sr DevSecOps Engineer System One

Pentest Operator / Penetration Tester (Top Secret Clearance) System One

Cyber Security Engineer (Expert) Job#927 Allen Integrated Solutions

Manager, Cyber Security - Information Security Office Consultant Capital One Financial Corp

Cyber Security Engineer Peraton

Cyber Security Engineer (Expert) Core-CSI LLC.

TS/SCI Cleared Expert Cyber Security Engineer Assured Consulting Solutions

Cyber Security Engineer Peraton Inc

Sr. Manager, Cyber Security - Information Security Office Consultant Capital One Financial Corp

Cyber Security Engineer TEEMA

Cyber Security Engineer III Textron Inc

Cyber Security Engineer – Penetration Tester (Journeyman) OneZero Solutions

Cyber Security Engineer (High Level Clearance Required) ICF

Cleared Cyber Security Engineer Trellix

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