Security Engineer (Proofpoint)

SECURITY ENGINEER (PROOFPOINT)

5iron Active Cyber Defense solutions provide comprehensive detection and response, 24x7x365. We actively respond to events as they occur, requiring less bandwidth from our clients and taking the action needed to eliminate the threat before it causes disruption to client business or data. This approach enabled 5iron to be named to the 2022, 2023, and 2024 Inc. 5000 list of fastest-growing private companies in the US.

5iron redefines industry expectations by taking an active role in the protection of our clients. Delivering 24x7x365 “eyes on” cybersecurity defense solutions, effectively minimizes cyber risk inside these organizations. Our active cyber defense solutions leverage years of information security experience to protect critical network infrastructure from the growing number of cyber threats.

At 5iron, our goal is more than notification — our goal is remediation and resolution. In support of that mission, the SECURITY ENGINEER (PROOFPOINT) will perform the following duties:

Job Summary:

The SECURITY ENGINEER (PROOFPOINT) is responsible for managing, configuring, and optimizing Proofpoint email security platforms to support 24x7x365 active cyber defense operations. This role includes administering threat protection, DLP, encryption, and intelligence integrations, as well as performing security event triage and incident response. The engineer conducts regular policy reviews, resolves production issues, and ensures configurations follow industry best practices. As a key contributor to continuous improvement and documentation efforts, the engineer supports the company’s mission to deliver proactive, resolution-focused cybersecurity solutions that reduce client risk and ensure email security resilience.

RESPONSIBILITIES:

• Manage existing Proofpoint Advanced Threat Protection/Email Protection platforms including Email Fraud Defense, Cloud Threat Response, Targeted Attack Protection, Emerging Threats Intelligence, Data Loss Prevention (DLP) and Encryption.
• Implement new instances of the Proofpoint on Demand platform and configure for best practice.
• Manage inbound and outbound security rules for email (filtering, whitelists, spam, etc.).
• Configure threat intelligence data feeds to provide identification of additional phishing/malware instances.
• Perform security event triage and initial incident response to detected threats.
• Provide email security log and troubleshooting information to resolve production issues.
• Regularly review and recommend changes to policies or controls as needed to enhance security.
• Identify potential gaps and offer solutions to include internal team needs, product improvements and client security posture.
• Communicate and enforce Information Security policies.
• Coordinate with other team members and management to investigate, document, and report incidents.
• Regularly create and maintain high quality documentation for changes and procedures.
• Collaborate with our Threat Analysis Unit to provide in-depth reports of confirmed security incidents and produce technical threat advisory broadcasts about new and emerging threats.

REQUIREMENTS:

• Bachelor’s Degree in information security (or similar field) with a minimum of five (5) years of cybersecurity experience. In lieu of a degree, 7+ years of relevant cybersecurity experience is acceptable.
• Two (2) or more years of experience as primary manager of Proofpoint Advanced Threat Protection and Proofpoint Email protection platforms.
• Strong email engineering skills; clear understanding of Message Transfer Agent configurations.
• Strong sense of self-motivation; ability to identify problems and develop solutions.
• Excellent oral and written communication skills.
• Ability and willingness to grow inside the platform and organization.

BENEFITS:

• Company-paid health, dental and vision insurance plans for the employee.
• Up to a 4% 401k company match that vests immediately, it’s yours to keep.
• Generous paid time off and 10 holidays per year.
• Paid time off to vote and volunteer.
• Paid time off on your birthday because it’s your special day.
• Up to $100 per month for your internet and cell phone service.
• Team building events.

ADDITIONAL:

• All candidates will be required to take an extensive background screen, credit screen, and drug screen prior to employment.
• This is an on-site position based in Franklin, TN. (Relocation support available for ideal candidates).

Pay: $110,000.00 - $130,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Vision insurance

Experience:

• Proofpoint Advanced Threat Protection or Email: 2 years (Required)

License/Certification:

• CompTIA Security+ (Required)

Work Location: In person