Cybersecurity Consultant · PKI & Cryptography · Penetration Testing

Aatir Ahmed

// Automotive Security · Pen Testing · Test Engineering

Cybersecurity Consultant with ~4 years of experience in automotive cybersecurity, threat analysis, risk assessment, and penetration testing. Expertise in PKI, TLS/SSL, ISO/SAE 21434, and UNECE R155/R156. Currently completing an MSc at Stockholm University.

Gothenburg, Sweden aattiir@gmail.com linkedin.com/in/aatir-ahmed
View experience

Cybersecurity Consultant with a track record across automotive OEMs, engineering firms, and enterprise environments. At Volvo Group, I led TARA activities for automotive components aligned with ISO/SAE 21434. At Broccoli Engineering, I performed penetration testing, managed PKI/certificate lifecycles, and hardened TLS/SSL configurations. I hold CISM, CCNA, and ISTQB CTFL certifications and am currently completing an MSc in Information Technology at Stockholm University.

4+
Years in cybersecurity
3
Certifications
5+
Standards mastered
2
OEM engagements
Cybersecurity
TARASTRIDEPen TestingIAMCSMSHARA
PKI & Cryptography
TLS/SSLCLMPKIDigital SigningAsym. Encryption
Pentesting Tools
MetasploitBurp SuiteWiresharkNmapKali LinuxSnort
Standards
ISO/SAE 21434UNECE R155ISO 27001IEC 62443ISO 26262
Automotive Tools
CANoeCANalyzerYakinduDaVinciSystem Weaver
Microsoft Security
SentinelDefender XDRSecurity CopilotExposure Mgmt
Vehicle Operations Consultant
Lynk & Co · Gothenburg, Sweden
Aug 2025 – Present
  • Analysed 5,000+ returned vehicle cases across France, Germany, Belgium, Italy and the Netherlands for EWT and overmileage charging eligibility.
  • Worked across Codiac, Cosmos, CommerceX, Microsoft Dynamics and OTD systems to verify vehicle data and execute charges.
  • Ensured compliance with internal IT security policies when handling cross-market data.
Cybersecurity Consultant / Penetration Tester / Test Engineer
Broccoli Engineering AB · Gothenburg, Sweden
Oct 2024 – Aug 2025
  • Managed penetration testing and cybersecurity assessments covering the full vulnerability lifecycle from discovery to remediation.
  • Hardened TLS/SSL configurations — auditing cipher suites and encryption protocols to eliminate attack surfaces.
  • Managed PKI and certificate lifecycle including issuance, renewal, and revocation processes.
  • Implemented IAM controls enforcing least-privilege principles across internal systems.
  • Developed an Android time-reporting application in Kotlin integrated with the company web portal.
Cybersecurity Expert
Volvo Group · Gothenburg, Sweden
Aug 2022 – Oct 2024
  • Led TARA activities for automotive components aligned with ISO/SAE 21434 and UNECE R155/R156.
  • Automated TARA processes using Excel-based models and Yakindu Security Analyst tool.
  • Performed asset identification, damage scenario definition, threat modelling, and attack path tree creation.
  • Facilitated workshops with architects and Product Owners to validate cybersecurity artefacts.
  • Ensured cryptographic controls aligned with ISO/SAE 21434 and ISO/IEC 27001 for secure-by-design development.
Test Engineer
Volvo Group · Gothenburg, Sweden
Apr 2022 – Oct 2022
  • Prepared and managed test cases and verification plans for the Driver Information System in trucks.
  • Maintained traceability across test artefacts using CANoe, CANalyzer, and Wombat.
  • Automated test execution workflows to improve coverage and efficiency.
WordPress Security Assessment

Full penetration testing engagement covering vulnerability discovery, risk rating, and remediation tracking for an internal WordPress environment.

Pen TestingOWASPBurp Suite
PKI & TLS Hardening

Audited and hardened TLS/SSL configurations across web infrastructure, eliminating weak cipher suites and managing the full certificate lifecycle.

PKITLS/SSLCLM
Automotive TARA at Volvo

Led end-to-end TARA for automotive components using Yakindu Security Analyst, aligned with ISO/SAE 21434 and UNECE R155.

ISO 21434TARAYakindu
Android Time-Reporting App

Built an Android application in Kotlin integrated with the company's existing web portal database for internal time tracking.

KotlinAndroid StudioREST API
MSc in Information Technology — Project Management
Stockholm University · Stockholm, Sweden
2023 – 2026 (Expected)
BSc in Computer Science
Bahria University · Islamabad, Pakistan
2016 – 2020

Open to cybersecurity consulting engagements, penetration testing contracts, and full-time security roles in Sweden and remotely. Reach out directly or book a discovery call.

Blog

Cybersecurity research, CTF writeups, and industry perspectives.