Email security jobs in columbia, md

Senior Proofpoint / Email Security Engineer

Washington, District of Columbia

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12d ago

Requirements: Lead the migration from on-premises IronPort email security appliances to a Proofpoint cloud-based email security solution, ensuring a seamless transition with minimal disruption to email services.Expert-level experience designing, configuring, and maintaining Proofpoint as an enterprise email security service.Strong experience configuring Proofpoint firewall rules and maintaining block lists/allow lists.Experience responding to requests to quarantine, release, or manage email mess

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Contract

Depends on Experience

Senior System Engineer (Email Security Migration)

Washington, District of Columbia

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6d ago

Senior System Engineer (Email Security) Washington, DC - 100% ONSITE Compensation: W2 or C2C Per Federal contract U.S. Citizenship Required Security Clearance: Must be able to pass Federal background check Application Deadline: 9/11/2026 Responsibilities: Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution, ensuring seamless transition with minimal disruption to email services. Design, configure, and maintain Proofpoint as a

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Contract

Depends on Experience

Email Security & Anti- Spam Technical Expert

Remote

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12d ago

**NO 3rd Parties or Sponsorship! Duration: Ongoing as-needed basis Location: Remote, prefer East coast We are seeking a highly experienced Email Security and Anti-Spam Technical Expert for project-based consulting work. The immediate need is for an expert with deep knowledge of email delivery, URI/domain reputation and list systems, and Linux-based email infrastructure, particularly Postfix and Rspamd. The consultant will initially provide technical guidance regarding the operation of URI/dom

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Contract

Depends on Experience

Mimecast & M365 Email Security Engineer - 100% Remote - 4 Months Contract

Remote

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Today

Job Details: Job Title: Mimecast & M365 Email Security Engineer Location: 100% Remote Duration: 4 Months Contract Description: Manage and support Mimecast email security solutions.Administer Microsoft 365 (M365) email security and Exchange Online.Configure email filtering, anti-spam, anti-phishing, and malware protection.Monitor and investigate email security threats and incidents.Manage email security policies, rules, and user access.Troubleshoot mail flow and delivery issues.Work with securit

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Contract

Depends on Experience

Senior Systems Engineer....Local DMV area Only

Washington, District of Columbia

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12d ago

Senior Systems Engineer Local DMV-area candidates only | Washington DC Onsite 3 months+ video & In-person Please submit only candidates with strong hands-on Proofpoint enterprise experience, particularly IronPort-to-Proofpoint migration, Proofpoint Messaging Security Gateway 8.x, firewall rules, block/quarantine management, Linux, and VMware experience. Position Requirements: Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution,

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Contract

70 - 75

Presales Solutions Engineer - Email Security

Remote

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Today

About Us Since 1989, SHI International Corp. has helped organizations change the world through technology. We've grown every year since, and today we're proud to be a $16 billion global provider of IT solutions and services. Over 17,000 organizations worldwide rely on SHI's concierge approach to help them solve what's next. But the heartbeat of SHI is our employees - all 7,000 of them. If you join our team, you'll enjoy: Our commitment to diversity, as the largest minority- and woman-owned ent

Full-time

USD 120,000.00 - 230,000.00 per year

Sr. Systems Engineer

Washington, District of Columbia

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Today

Join a high-impact infrastructure team supporting the migration of enterprise email security services from on-premises appliances to a cloud-based Proofpoint solution. This role offers the opportunity to help ensure a smooth transition with minimal disruption while working in an onsite environment in the greater DC metro area. Responsibilities Lead the migration from on-premises IronPort email security appliances to a cloud-based Proofpoint email security platform. Design, configure, and maint

Full-time

USD 33.00 - 67.00 per hour

Security Engineer

Rockville, Maryland

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Today

Software Guidance & Assistance, Inc., (SGA), is searching for a Security Engineer for a CONTRACT assignment with one of our premier Regulatory clients in the DMV area. The primary function of the Security Engineer is responsible for designing, implementing, and maintaining controls that protect enterprise systems and data from unauthorized access, modification, or loss. This role requires expertise in cyber security, email platforms, cloud environments, and data protection operations. Responsibi

Contract

USD 83.00 - 87.00 per hour

Senior Systems Engineer (Proofpoint)

Washington, District of Columbia

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Today

Overview Edgewater Federal Solutions is seeking a Sr. Systems Engineer to lead the migration of the client's on-premises IronPort email security appliances to a Proofpoint cloud-based email security solution. The engineer will plan and execute a seamless transition while minimizing disruption to enterprise email services. Unless otherwise specified, this position requires full-time onsite presence. This work is performed onsite in Washington, DC without remote or hybrid options. Responsibiliti

Full-time

USD 157,044.00 - 160,534.00 per year

Firewall Operations Engineer

Beltsville, Maryland

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Today

Job ID: 2614763 Location: Beltsville, MD, US Date Posted: 2026-07-21 Category: Information Technology Subcategory: Network Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Interim_Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: ORA_HYBRID Description This is an opening for a Firewall Engineer to support a Department of State (DoS) Bureau of Diplomatic Technology (DT) program. This program provides transparent, inter

Full-time

USD 120,001.00 - 160,000.00 per year

Cybersecurity Engineer

Columbia, Maryland

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Today

Position Details Position Information About Us Howard Community College (HCC) is an exciting place to work, learn, and grow! We are proud to have received the Great Colleges to Work For honor for 12 consecutive years, 2009-2020. Howard Community College values diversity among its faculty, staff and student population. We are an innovative institution that is committed to responding to the ever-changing needs and interests of a diverse and dynamic community. No matter where you want to go in yo

Full-time

USD 78,659.00 - 112,090.00 per year

Lead Cybersecurity Engineer

Bethesda, Maryland

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Today

Job Type Full-time Description * This position is contingent upon a future opening with Gunnison. Salary: $145,000 - $160,000/year Work location: Hybrid, 2-3 days per week on-site in Bethesda, MD. Serve as the technical lead for cybersecurity engineering activities supporting NIH CIT enterprise services, including network, email, endpoint, server, cloud, and related infrastructure environments.Architect, deploy, configure, integrate, operate, and improve cybersecurity tools and technologies u

Full-time

USD 145,000.00 - 160,000.00 per year

Security Architect - 100% remote - EST time

Remote

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Today

Security Architect 100% remote (EST Time zone) 12+ Months Primary responsibilities: Primarily assist in the planning, design, development, deployment, administration and operational support of enterprise security automations and custom security tools, including: Python-based automations, internal web applications, APIs, SDKs, scripts, dashboards, command-line utilities and system integrations Automated workflows for alert enrichment, triage, incident response, case management, notifications, con

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Contract

Depends on Experience

Security Architect - Consultant (W2 Only)

Remote or Hybrid in South Carolina

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Today

Required Skills (Ranked by Importance): -- BROAD HANDS-ON SECURITY ENGINEERING EXPERIENCE SUPPORTING MULTIPLE CYBERSECURITY TECHNOLOGIES, SYSTEMS, INTEGRATIONS AND OPERATIONAL FUNCTIONS. -- Experience developing security automations, scripts, integrations, utilities and custom tools using Python. -- Strong experience troubleshooting complex technical issues across applications, security platforms, operating systems, networks, identity services and integrations. -- LINUX SYSTEM DEPLOYMENT, CONFIG

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Contract

Security Architect

Remote

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4d ago

Job: Security Architect Location: Remote Required Skills (Ranked by Importance): BROAD HANDS-ON SECURITY ENGINEERING EXPERIENCE SUPPORTING MULTIPLE CYBERSECURITY TECHNOLOGIES, SYSTEMS, INTEGRATIONS AND OPERATIONAL FUNCTIONS.Developing security automations, scripts, integrations, utilities and custom tools using Python.Strong experience troubleshooting complex technical issues across applications, security platforms, operating systems, networks, identity services and integrations.LINUX SYSTEM DEP

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Contract

Depends on Experience

IT Security Engineer

Remote or Downers Grove, Illinois

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Today

Responsibilities The Sentinel IT Security Engineer will be responsible for supporting, administering, troubleshooting, repairing, and escalating customer issues across a wide line of technologies all with a security focus. This position can work remote within the United States and occasional travel to Downers Grove, IL required as needed. The IT Security Engineer will need excellent written and verbal communication skills to tactfully assist customers to ensure that requested moves, adds, and

Full-time

USD 70,000.00 - 100,000.00 per year

Security Architect

Remote

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Today

Role: Security Architect Location: Remote Job Required SkillsAfter-hours maintenance, incident escalation support, and operational handoffs may be required as needed.Bachelors Degree in an Information Technology, Computer Science, Software Engineering or Information Security related field; 8+ years of relevant experience may be substituted in lieu of education 5+ years of experience in supporting large IT environments, security systems, software development, and/or system deployments Hands-on s

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Contract

Depends on Experience

Senior Security Engineer - Insider Risk

Remote or Rhode Island

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Today

We're building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health , you'll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger - helping to simplify health care one person, one family and one community at a time. Position Summary The Senior Security Engineer - Insider

Full-time

USD 83,430.00 per year

Infrastructure Project Manager

Remote or Almont, Colorado

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Yesterday

Description: Remote Our client is seeking an Infrastructure Project Manager to support the information security function and broader infrastructure initiatives. The role will partner with stakeholders across business and technology to define scope, manage schedules and budgets, plan resources, and drive delivery of enterprise technology projects. Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package tha

Contract

Security Engineer

Remote

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Today

Job Type Full-time Description Paylocity is an award-winning provider of cloud-based HR and payroll software solutions, offering the most complete platform for the modern workforce. The company has become one of the fastest-growing HCM software providers worldwide by offering an intuitive, easy-to-use product suite that helps businesses automate and streamline HR and payroll processes, attract and retain talent, and build a strong workplace culture. While traditional HR and payroll providers

Full-time

USD 83,000.00 per year

Email security jobs in Columbia, MD, USA