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29 results (4 new)

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Senior Proofpoint / Email Security Engineer

Radiant System, Inc

Washington, District of Columbia • Today

Easy Apply

Contract

Depends on Experience

Senior System Engineer (Email Security)

System One

Washington, District of Columbia • Today

Easy Apply

Contract

Depends on Experience

Senior Security Engineer

Delviom LLC

Rockville, Maryland • Yesterday

Easy Apply

Contract

$50 - $60

Senior Security Engineer

Zermount Inc.

Arlington, Virginia • Today

Full-time

Senior Security Engineer

Zermount Inc.

Arlington, Virginia • Today

Full-time

Senior Security Engineer

MSYS Inc.

Remote • Today

Easy Apply

Contract

Depends on Experience

Senior Security Engineer

NVR Inc.

Reston, Virginia • Today

Full-time

USD 105,000.00 - 125,000.00 per year

Presales Solutions Engineer - Email Security

SHI International Corporation

Remote • Today

Full-time

USD 120,000.00 - 230,000.00 per year

Senior Security Engineer

Wpromote

Remote or Los Angeles, California • Today

Full-time

USD 145,000.00 - 170,000.00 per year

Senior Security Engineer

Aalyria

Remote • Today

Full-time

USD 170,000.00 - 200,000.00 per year

Senior Security Engineer

Sift Science, Inc

Remote or Seattle, Washington • Today

Full-time

USD 145,000.00 - 200,000.00 per year

Senior Security Engineer

Guardant Health, Inc.

Remote • Today

Full-time

USD 110,755.00 per year

Senior Enterprise Security Engineer

Thumbtack

Remote • Today

Full-time

USD 210,800.00 - 272,800.00 per year

Senior Security Engineer

Vanta

Remote • Today

Full-time

USD 227,000.00 - 267,000.00 per year

Senior Cybersecurity Engineer

Modine Manufacturing Company

Remote • Today

Full-time

USD 130,000.00 - 185,000.00 per year

Senior Cybersecurity Engineer

ICI Services Corporation

Washington, District of Columbia • Today

Full-time

Senior Cybersecurity Engineer

Dark Wolf Solutions

Washington, District of Columbia • Today

Full-time

USD 155,000.00 - 180,000.00 per year

Senior Cybersecurity Engineer

Mobius

Washington, District of Columbia • Today

Full-time

USD 175,000.00 - 190,000.00 per year

Cybersecurity Engineer Senior

ASM Research

Fairfax, Virginia • Today

Full-time

Senior Cybersecurity Engineer

Alakaina Foundation Family of Companies

Arlington, Virginia • Today

Full-time

Senior Forescout Cyber Security Engineer

Ennoble First

Reston, Virginia • Today

Full-time

Compensation information provided in the description

Senior Cybersecurity Engineer

Redhorse Corporation

Chantilly, Virginia • Today

Full-time

Senior Security Engineer

Hudson IT

Remote or Cincinnati, Ohio • Today

Full-time

Cyber Security Engineer Senior

General Dynamics

Remote • Today

Full-time

USD 97,968.00 - 120,750.00 per year

Senior Security Engineer

Evolver

Washington, District of Columbia • Today

Full-time

Senior Cybersecurity Engineer

nTech Solutions

Remote • 9d ago

Easy Apply

Contract

$120,000 - $140,000

Senior Cybersecurity Engineer

Aerospace Corporation

Chantilly, Virginia • Today

Full-time

USD 166,400.00 - 249,600.00 per year

Email Security & Anti- Spam Technical Expert

Bayforce

Remote • Today

Easy Apply

Contract

Depends on Experience

Senior Cybersecurity Engineer

Accenture LLP

Washington, District of Columbia • Today

Full-time

USD 114,900.00 - 184,100.00 per year

Job Details

Skills

Email Security
IronPort
Firewall
MTA
Proofpoint

Summary

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 messages.
Deep understanding of MTA (Mail Transfer Agent) concepts and Proofpoint Messaging Security Gateway (PSMG) 8.x.
Hands-on experience with Linux Server environments.
Experience working with VMware and virtualized infrastructure.
Strong troubleshooting and problem-solving skills in enterprise email security environments.
Ability to coordinate migration activities, resolve issues, and minimize impact to business email services.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 80168598
Position Id: 125259
Posted 5 hours ago

Fitment

Dice Job Match Score™

⭐ Evaluating experience...

Contact the job poster

Madan Mohan

Recruiter @ Radiant System, Inc

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Washington, District of Columbia

•

Today

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,

Easy Apply

Contract

70 - 75

Proofpoint/security Engineer

Washington, District of Columbia

•

Today

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. Expert level experience designing, configuring and maintaining Proofpoint as an enterprise service Experience in setting Proofpoint firewall rules and maintaining block lists; responding to requests to quarantine or release email Deep understanding of MTA and Proofpoint Messaging Security Gateway and Proo

Easy Apply

Contract

Depends on Experience

Senior System Engineer (Email Security)

Washington, District of Columbia

•

Today

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

Easy Apply

Contract

Depends on Experience

Sr. Systems Engineer

Washington, District of Columbia

•

Today

Job Title:- Sr. Systems Engineer Location:- Washington, District of Columbia (Only local to DC) 100% onsite Duration:- 6+ MO Contract Position Requirements: 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. Expert level experience designing, configuring and maintaining Proofpoint as an enterprise service Experience in setting Proofpoint firewall rules

Easy Apply

Contract, Third Party

$DOE