Mark Armstrong

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mark.armstrong868@gmail.com | (561)-972-0339 | LinkedIn | GitHub


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:
    • Cloud Security: AWS WAF, IAM, CloudTrail, GuardDuty, Security Hub
    • Cloud Architecture: EC2, S3, RDS, VPC, ALB, Auto Scaling
    • Monitoring & Logging: CloudWatch, AWS Config, VPC Flow Logs
  • Security Operations:
    • Security monitoring and alert analysis
    • Incident investigation and triage
    • Threat detection using log analysis
  • Networking & Systems:
    • TCP/IP, DNS, HTTP/S
    • Linux & Windows administration
    • Firewalls, load balancers, network segmentation (VPC, security groups)
  • Scripting & Automation:
    • Python (scripting & automation)
    • Bash
    • HTML/CSS

Projects

Personal Website (Secure CV Hosting)

Technologies: AWS(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 (e.g., SQL injection and XSS).
  • Configured Route 53 DNS and CloudFront distributions to improve availability and performance while reducing attack surface.

Multi-Tier Web Application with Load Balancing and Auto Scaling

Technologies: AWS(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

IT Cyber Security Analyst | Robertson, Anschutz, Schneid, Crane & Partners, PLLC | Boca Raton, FL | 01/2025 - Present

  • Perform daily security monitoring across multiple platforms including Arctic Wolf, SentinelOne, Wiz, Fortinet, Nessus, 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, email recovery coordination, and badge access log reviews.
  • Conduct monthly internal security audits to ensure compliance with regulatory standards and client requirements.

Desktop Analyst 1 | Dane Street | Palm Beach Gardens, FL | 01/2023 - 11/2024

  • Achieved resolution of over 1,800 support tickets within the initial three months, attaining an 84% resolution success rate, improving customer satisfaction by 32%.
  • Deployed a secure, scalable third-party email security solution leveraging AI to scan and filter all incoming emails, reducing ransomware, phishing, and malware threats by 70%.
  • Supported AWS tasks including Route 53 updates and configuring AWS Workspaces for Windows VMs.
  • Oversaw hardware inventory and tracked IT department purchases for accurate budget forecasting.
  • Compiled documentation for HITRUST recertification for 2023 and 2024.

Cyber Security Analyst, Intern | Purple Frog Graphics | West Palm Beach, FL | 06/2021 - 08/2021

  • 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 security across the organization.

Certifications

  • AWS Certified Solutions Architect - Associate SAA-CO3 AWS Certified Solutions Architect Associate badge
  • AWS Certified Cloud Practitioner CLF-CO2 AWS Certified Cloud Practitioner badge

Education

Bachelor of Applied Science | Palm Beach State College | Lake Worth Beach, FL | 08/2018 - 05/2022

  • Major in Information Management - Security and Network Assurance