Umair Ahmed — DevOps Manager

Security engineering leader specializing in enterprise vulnerability management, DevSecOps integration, and advanced threat simulation. Expert in building security frameworks that reduce critical vulnerabilities while scaling security initiatives across development teams. Happiness = solving complex tech challenges, fostering new connections, and contributing actively to the infoSec community, learning and relearning. -- A doer Core Expertise: 1. Enterprise Vulnerability Management - SRE/Platform Engineering integration with shift-left security 2. Red/Purple Team Operations - MITRE ATT&CK simulations and advanced threat modeling 3. Cloud Security Architecture - AWS/Azure infrastructure with CNAPP-based remediation 4. DevSecOps Pipelines - End-to-end security solutions reducing false positives 5. Security Program Management - PenTest-aaS and Bug Bounty optimization achieving SLA compliance 6. AI Security - Threat model, harden data pipelines, training jobs, inference APIs, agents/tools, and RAG systems. Build guardrails on content safety and policy enforcement, semantic/PII redaction, allow/deny tooling, tenant isolation Proven Impact: 1. Reduced MTTR from 30 days to 48 hours through automated vulnerability processes 2. Increased vulnerability discovery by 50% through optimized security programs 3. Advanced DevSecOps maturity to DSOMM Level 3 across microservices architectures 4. Led PCI-DSS compliance validation and external audit processes 5. Built and trained security teams while facilitating cross-functional collaboration Recognition: Bug bounty acknowledgments from Intel, MasterCard, GoPro and 50+ companies | 1st place Pakistan Cyber Security Challenge | Won Multiple CTF-Competitions | Top 50 TryHackMe Pakistan

Stackforce AI infers this person is a Security Engineering expert specializing in SaaS and Cloud Security.

Location: Berlin, Berlin, Germany

Experience: 8 yrs 1 mo

Skills

Enterprise Vulnerability Management
Devsecops Pipelines
Security Program Management
Red/purple Team Operations
Cloud Security Architecture
Threat Intelligence
Penetration Testing

Career Highlights

Reduced MTTR from 30 days to 48 hours.
Increased vulnerability discovery by 50%.
Achieved PCI-DSS compliance validation.

Work Experience

HelloFresh

Senior Security Engineer (1 yr 2 mos)

Security Engineer (1 yr 11 mos)

betterdata

Application Security Engineer (9 mos)

GRC360 LTD

Security Engineer (2 mos)

Palmchip

Security Engineer (2 yrs 2 mos)

Synack, Inc.

Red Team Professional (1 yr 5 mos)

Bugcrowd

Security Researcher (1 yr 11 mos)

SecurityWall

Security Engineer (2 yrs 5 mos)

Education

Software Engineering at National University of Sciences and Technology (NUST)

Umair Ahmed

DevOps Manager

Berlin, Berlin, Germany8 yrs 1 mo experience

Most Likely To SwitchHighly Stable

Key Highlights

Reduced MTTR from 30 days to 48 hours.
Increased vulnerability discovery by 50%.
Achieved PCI-DSS compliance validation.

Stackforce AI infers this person is a Security Engineering expert specializing in SaaS and Cloud Security.

Contact

Skills

Core Skills

Enterprise Vulnerability ManagementDevsecops PipelinesSecurity Program ManagementRed/purple Team OperationsCloud Security ArchitectureThreat IntelligencePenetration Testing

Other Skills

Application SecurityCloud SecurityCode ReviewsKubernetesPurple TeamingThreat & Vulnerability Managementsoftware design & architectureTeamworkProblem SolvingAutomationVulnerability AssessmentComputer SecurityInformation SecurityCloud ComputingNetwork Security

About

Experience

Hellofresh

2 roles

Senior Security Engineer

Promoted

Jan 2025 – Present · 1 yr 2 mos · Berlin, Germany · Hybrid

1. Architected enterprise vulnerability management framework integrating SRE and Platform Engineering principles with shift-left security strategy (RFC Review, Code reviews, Architecture Reviews), reducing critical vulnerability exposure by 36% and establishing Security Champions Program across 10+ development teams
2. Optimized PenTest-aaS and Bug Bounty programs with comprehensive SOPs, KPIs, and SLAs, achieving 99% SLA compliance through proactive vulnerability identification and streamlined remediation processes
3. Conducted cross-functional security initiatives training 15+ Engineering team members and facilitating collaboration between security, engineering, and product teams, resulting in signifcant reduction in security-related project delays and improved stakeholder satisfaction.
4. Achieved Decommissioning and Rollout of new Code Security Solution end-to-end, reducing False Positives by 30% and enabling code-to-cloud visibility with run-time validation to ensure high-fidelity risk reduction while improving the engineering experience through IaC, and automations.
5. Facilitated in PCI-DSS control validation and external audit for year 2025-2026.
6. AI Security: Threat model and harden data pipelines, training jobs, inference APIs, agents/tools, and RAG systems. Build guardrails on content safety and policy enforcement, semantic/PII redaction, allow/deny tooling, tenant isolation.
7. Helped secure RAG including document sanitization, namespace/metadata access control, query‑time authZ, cache and retrieval controls

Application SecurityCloud SecurityCode ReviewsKubernetesPenetration TestingPurple Teaming+4

Security Engineer

Feb 2023 – Jan 2025 · 1 yr 11 mos · Berlin, Germany · Hybrid

Ensuring best security practices in the biggest meal kit delivery service (7 million customers and 20000
employees worldwide)
1. Improved and optimized HelloFresh's enterprise bug bounty program, managing both external and internal initiatives with automated processes and SOPs, resulting in 50% increase in vulnerability discovery rate and reducing MTTR from 30 days to 48hrs through proactive threat identification.
2. Planned, coordinated, and executed comprehensive security assessments/Pentests (Threat Modelling, Control Validation) across HelloFresh's global infrastructure including web/mobile applications, APIs, microservices (Docker/Kubernetes), and multi-cloud environments (AWS/Azure), identifying critical vulnerabilities before production deployment
3. Planned, coordinated, and executed Red/Purple Team exercises targeting HelloFresh production facilities (Barleben, Germany; Windmill, UK), EDR, and Azure IAM infrastructure, simulating real-world attacks that improved detection gaps by 10% and enhanced security posture across 4+ facilities, it also involved architecting and managing red team infra through IaC.
4. Onboarded, and Trained Team members to help them up to speed in their 90 days plan.

Penetration TestingTeamworkVulnerability AssessmentComputer SecurityProblem SolvingInformation Security+6

Betterdata

Application Security Engineer

Apr 2022 – Jan 2023 · 9 mos · Singapore

1. Architected security architecture and policies for Singapore Government cloud deployments, ensuring 50% compliance with regulatory requirements and enabling secure application deployment across government infrastructure.
2. Managed comprehensive AWS security infrastructure including IAM, VPC, CloudTrail, CloudWatch, Lambda, and API Gateway, while implementing deployments that improved deployment efficiency.
3. Built and led security team through strategic hiring, structured onboarding, and continuous training programs, scaling team from 2 to 4 members
Vulnerability Management, Code reviews, Security Assessments, and Penetration Testing for microservice-based applications, and Developers Training.
4. Designed integrated security CI/CD pipeline for MLOps and dockerized applications, advancing DevSecOps maturity to DSOMM Level 3 and reducing vulnerability remediation time significantly through automation.
5. Collaborating with developers on patching bugs & vulnerabilities, helping in fixing the bugs, and writing closure reports.

Penetration TestingTeamworkVulnerability AssessmentCode ReviewsVulnerability ManagementNetwork Security+7

Grc360 ltd

Security Engineer

Jun 2020 – Aug 2020 · 2 mos

1. Conducted comprehensive penetration testing across web applications, mobile apps, networks, Active Directory, and AWS cloud for 10+ EU and Middle-East clients, achieving 50% average vulnerability remediation rate.
2. Developed automated red teaming tools and scripts using Python, reducing engagement time by 15% and enabling increase in concurrent client capacity.
3. Created executive-level security reports for technical and C-suite audiences, achieving 90% client satisfaction rating on report quality and communication effectiveness. Supported

Penetration TestingTeamwork

Palmchip

Security Engineer

Feb 2020 – Apr 2022 · 2 yrs 2 mos · United States · Remote

1. Developed comprehensive threat intelligence product specializing in social engineering detection, integrating security-by-design principles and threat modeling to proactively identify emerging attack vectors and reduce exposure.
2. Designed and implemented security policies and IAM frameworks, establishing customer-managed AWS policies and procedural documents that ensured 100% compliance with regulatory requirements and reduced security incidents.
3. Built dark web monitoring dashboards using Python (Flask/Django), Node.js, and ELK Stack with GraphDB integration, providing real-time threat visibility.
Managed scalable AWS cloud infrastructure including EC2, RDS, IAM, SQS, and SNS services while implementing serverless architectures and Gateway APIs, reducing operational costs by 20% and improving system reliability.
4. Conducted OWASP-compliant penetration testing for web and mobile applications while developing BASH/Python automation scripts, streamlining security assessments, and reducing manual testing time by 25%.

Penetration TestingTeamworkCloud ComputingSoftware Development Life Cycle (SDLC)Python (Programming Language)Network Security+7

Synack, inc.

Red Team Professional

Jan 2019 – Jun 2020 · 1 yr 5 mos

My responsibilities include, But not limited to:
Initial reconnaissance - open-source intelligence (OSINT) for collecting information on the target.
Provide our clients with real-life actionable deliverables which allows the client to understand what attackers will/can do during an attack and what they can do to mitigate these risks.
Develop comprehensive and accurate reports for both technical and executive audiences.
Effectively communicate findings and strategy to client stakeholders including technical staff, executive leadership, and legal counsel
Develop scripts, tools, or methodologies to enhance Mandiant’s red teaming processes.
Perform network penetration, web and mobile application testing, source code reviews, threat analysis, and social-engineering assessments.

Penetration TestingTeamwork

Bugcrowd

Security Researcher

Jul 2018 – Jun 2020 · 1 yr 11 mos · Pakistan

My responsibilities include, But not limited to:
Perform vulnerability assessments, Penetration testing of web, network, and mobile applications and execute tests for data processing units to ensure security measures.
Develop comprehensive and accurate reports and presentations for both technical and executive audiences.
Working in a team to coordinate and provide technical support in the mitigation of security vulnerabilities.
Develop scripts, tools, or methodologies to automate red teaming processes.

Penetration TestingTeamwork

Securitywall

Security Engineer

Jan 2018 – Jun 2020 · 2 yrs 5 mos · Pakistan

1. OSINT, Penetration Testing (Web, Mobile, Network), Reporting, Automation, CodeReviews, Blockchain Security Audits, Follow Ups for closing the remediation loop.
2. Automated Workflow, Recon process to sync the result as a slack bot
3. pre-sales and post-delivery activities through technical expertise and compelling presentations, contributing to 18% improvement in sales win rates.

Penetration TestingTeamworkVulnerability AssessmentComputer SecurityNetwork SecurityAutomation