Available for cloud security roles

Mark Armstrong

Cloud Security Analyst

AWS Certified · Boca Raton, FL

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Profile Summary

Security Analyst with hands-on experience securing AWS cloud environments and monitoring security events across cloud and endpoint systems. AWS certified, with practical experience in incident analysis, threat detection, and securing internet-facing applications using WAF, IAM, and monitoring tools. Strong foundation in cloud infrastructure, security operations, and automation, with a security-first mindset focused on reducing risk in scalable environments.

Skills

Cloud & Infrastructure

AWS WAF IAM CloudTrail GuardDuty Security Hub EC2 S3 RDS VPC ALB Auto Scaling CloudWatch AWS Config VPC Flow Logs

Security Operations

Arctic Wolf SentinelOne Wiz Fortinet Nessus Netwrix Auditor Incident Triage Threat Detection Log Analysis HITRUST

Networking & Systems

TCP/IP DNS HTTP/S Linux Windows Firewalls Network Segmentation Security Groups

Scripting & Automation

Python Bash HTML/CSS

Projects

Personal Website — Secure CV Hosting

Route 53 S3 CloudFront ACM WAF HTML/CSS
  • Designed and deployed a secure, scalable static website using Amazon S3 and CloudFront, fronted by HTTPS with ACM-managed certificates.
  • Implemented AWS WAF with managed rules to protect the public-facing site against common web attacks (SQL injection, XSS).
  • Configured Route 53 DNS and CloudFront distributions to improve availability and performance while reducing attack surface.

Multi-Tier Web App with Load Balancing & Auto Scaling

EC2 RDS S3 ALB ASG CloudWatch
  • Architected a multi-tier web application using EC2 for web and application layers and RDS for managed database services.
  • Deployed an Application Load Balancer (ALB) and Auto Scaling Group (ASG) to ensure high availability and fault tolerance under variable load.
  • Configured CloudWatch metrics and alarms to monitor resource utilization and automatically scale infrastructure based on demand.
  • Improved reliability and operational visibility through centralized monitoring and automated scaling actions.

Experience

Jan 2025 – Present Current

IT Cyber Security Analyst

Robertson, Anschutz, Schneid, Crane & Partners, PLLC · Boca Raton, FL

  • Perform daily security monitoring across Arctic Wolf, SentinelOne, Wiz, Fortinet, Nessus, and Netwrix Auditor — triaging alerts and investigating potential security incidents.
  • Triage and respond to security tickets via FreshService, including phishing investigations, suspicious link analysis, email legitimacy verification, user access requests, and badge access log reviews.
  • Conduct monthly internal security audits to ensure compliance with regulatory standards and client requirements.
Jan 2023 – Nov 2024

Desktop Analyst I

Dane Street · Palm Beach Gardens, FL

  • Resolved over 1,800 support tickets in the first three months, achieving an 84% resolution rate and improving customer satisfaction by 32%.
  • Deployed a secure, AI-powered third-party email security solution, reducing ransomware, phishing, and malware threats by 70%.
  • Supported AWS tasks including Route 53 updates and configuring AWS Workspaces for Windows VMs.
  • Compiled documentation for HITRUST recertification in 2023 and 2024.
Jun 2021 – Aug 2021

Cyber Security Analyst, Intern

Purple Frog Graphics · West Palm Beach, FL

  • Led design and development of a cybersecurity training program covering phishing, ransomware, and social engineering.
  • Developed and presented a cybersecurity strategy to executives, outlining improvement measures for organization-wide security.

Certifications

Education

Bachelor of Applied Science

Palm Beach State College · Lake Worth Beach, FL · 2018 – 2022

Major: Information Management — Security & Network Assurance