Sr. Inside Sales Engineer, UKI

Company: Proofpoint
Apply for the Sr. Inside Sales Engineer, UKI
Location: London
Job Description:

About Us

Proofpoint is a global leader in human‑ and agent‑centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Our mission is to safeguard the digital world and empower people to work securely and confidently.

How We Work

At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values:

  • Bold in how we dream and innovate
  • Responsive to feedback, challenges and opportunities
  • Accountable for results and best in class outcomes
  • Visionary in future focused problem‑solving
  • Exceptional in execution and impact

The Role

Senior Inside Sales Engineer working with Commercial accounts.

After onboarding and product training, you will be a trusted advisor to Account Managers, Channel Partners, and customers, providing people‑centric security solutions.

Your Day‑to‑Day

  • Collaborate with the sales team to develop and execute account penetration strategies
  • Design and champion complex people‑centric security solutions across the Proofpoint portfolio
  • Assist with professional services deployments, technical training, and industry seminars or trade shows
  • Provide customer insights to Product Management, Marketing and Engineering teams
  • Support and enable Channel team distributors and resellers
  • Gain expertise in Email Security, Advanced Persistent Threats, Attack Protection, Threat Response, DLP, and the threat landscape
  • Occasional travel required

What You Bring To The Team

  • Proven hands‑on experience as a Sales/Systems Engineer, Technical Account Manager, Security Engineer, or senior level product support in cybersecurity
  • Experience in secure messaging, data security, network security, endpoint, NOC/SOC, or MSP‑related cybersecurity
  • Excellent presentation, communication, and organizational skills
  • Fluent in English; additional languages are a plus
  • Exposure to at least two of the following skill sets:
    • Enterprise email solutions such as Exchange, O365, G‑Suite, Lotus Domino, or working knowledge of SMTP
    • IT security areas such as Vulnerability and Risk Management, Security Operations or Incident Response
    • Data Loss Prevention, compliance and data privacy
    • Cloud security and shadow IT monitoring
    • Cloud computing infrastructure (e.g., AWS, Azure)

Nice to Have

  • Hands‑on experience with Directory Services and protocols such as Active Directory, Azure AD, LDAP, iDP (identity providers)
  • Email authentication (SPF, DKIM, DMARC)
  • Networking and protocols such as DNS, LDAP, HTTP
  • Experience with security standards and frameworks such as ISO, MITRE and/or NIST
  • Certifications like CISSP, CCSP or other industry credentials

Benefits

  • Competitive compensation
  • Comprehensive benefits
  • Career success on your terms
  • Flexible work environment
  • Annual wellness and community outreach days
  • Recognition for your contributions
  • Global collaboration and networking opportunities

Proofpoint is an Equal Opportunity Employer

Proofpoint is an equal opportunity employer; we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.

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Posted: June 13th, 2026