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Calvin Franklin

@calvinfranklin

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Authentication Analyst at DigiCert who improved certificate issuance accuracy to 90% within 24 hours.

South Africa

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At DigiCert Inc, I handled Portuguese- and English-speaking customers’ authentication requests and supported certificate issuance across a range of products. I improved certificate issuance accuracy to 90% within 24 hours and regularly resolved customer issues within 24 hours.

At Ekton Project Controls, I developed marketing plans and competitive positioning strategies that contributed to increased sales. I’ve also worked as a Spanish Call Centre Agent and English Teacher, and I’m certified in post-quantum cryptography and Public Key Infrastructure encryption.

Experience

Work history, roles, and key accomplishments

Authentication Analyst

DigiCert Inc

Mar 2021 - Aug 2025 (4 years 5 months)

Handled validation requests and provided customer support via calls, chats, and email for Portuguese and English-speaking clients. Mentored colleagues and improved certificate issuance accuracy to 90% within 24 hours.

Salesforce Zendesk Google Workspace SAGE Slack Microsoft Teams Zoom Jira Confluence SSL TLS PKI EIDAS Document Signing Code Signing S MIME Customer Support Mentorship Data Analysis

Spanish Call Centre Agent

3iSolutions

Sep 2019 - Dec 2019 (3 months)

Handled inbound and outbound calls, emails, and chats for Spanish and English-speaking clients. Worked on campaigns for Ticketmaster, Viagogo, and Computicket, and performed data capturing and escalation.

Customer Service Data Capturing Upselling Ticket Management Spanish English

English Teacher

Adonai College

Feb 2014 - Mar 2019 (5 years 1 month)

Planned lessons and assessed learner progress, conducted parent meetings, and collaborated with peers to enhance lesson implementation. Contributed to increased student learning outcomes and enrolment.

Lesson Planning Curriculum Development Student Assessment Parent Communication Collaboration

English Teacher

Isaac Chel College

Feb 2014 - Mar 2019 (5 years 1 month)

Lesson Planning Curriculum Development Student Assessment Parent Communication Collaboration

English Teacher

Mandume Language Centre

Feb 2014 - Mar 2019 (5 years 1 month)

Lesson Planning Curriculum Development Student Assessment Parent Communication Collaboration

Marketing Coordinator

Ekton Project Controls

Jan 2016 - Apr 2018 (2 years 3 months)

Managed sales and marketing, developed strategic business plans, and implemented marketing strategies including cold calls and networking events. Negotiated fees and developed proposals to drive revenue growth.

Marketing Strategy Sales Business Development Negotiation Competitive Analysis Customer Relationship Management

Tyre Salesman

West Lake Tyres

Jun 2009 - Jan 2010 (7 months)

Identified sales opportunities, gathered competitive intelligence, and resolved customer issues to maintain loyalty. Compiled accurate customer and sales information and executed marketing events.

Sales Customer Service Competitive Intelligence Data Management Event Marketing

Education

Degrees, certifications, and relevant coursework

DigiCert Inc.

Post-quantum cryptography (PQC) and Public Key Infrastructure (PKI) encryption certifications, Cryptography and PKI

Certified in Post-quantum cryptography (PQC) and Public Key Infrastructure (PKI) encryption by DigiCert Inc. in 2025.

M and J Operator's College

Tower Crane and Mobile Crane Operation Course (100 Ton), Crane Operation

2020 - 2020

Completed a Tower Crane and Mobile Crane Operation Course (100 Ton) at M and J Operator's College in Cape Town in 2020.

University of Zimbabwe

Bachelor of Arts, Communication Skills, English Literature, German Language, Religious Studies

Bachelor of Arts degree in Communication Skills, English Literature, German Language, and Religious Studies from the University of Zimbabwe, completed in 2013.