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Cybersecurity Systems Engineer

GLESEC
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Position Summary

The Cybersecurity Systems Engineer will help maintain, troubleshoot, optimize, and improve the technical systems that support GLESEC’s managed cybersecurity services.

The role requires a strong combination of:

  • Server and systems administration
  • AWS/cloud infrastructure
  • Splunk searches and dashboards
  • Networking fundamentals
  • Cybersecurity operations
  • Scripting/programming
  • Troubleshooting and documentation
  • Use of AI tools to improve daily technical productivity

The ideal candidate is technical, disciplined, curious, reliable, and able to learn quickly.

Key Responsibilities

  • Troubleshoot and support servers, operating systems, cloud infrastructure, and production systems.
  • Support AWS environments, including instances, networking, security groups, access controls, storage, and performance issues.
  • Develop, optimize, and maintain Splunk searches, reports, alerts, and dashboards.
  • Analyze logs, telemetry, system events, and operational data to identify issues and improve visibility.
  • Build and improve technical dashboards used for cybersecurity monitoring, infrastructure visibility, and executive reporting.
  • Support performance, availability, and reliability of security operations platforms.
  • Work with cybersecurity analysts, developers, engineers, and external technology vendors to resolve technical issues.
  • Assist with system administration, configuration, patching, hardening, access control, and operational maintenance.
  • Use scripting or programming to automate repetitive tasks and improve technical workflows.
  • Use AI tools responsibly to assist with troubleshooting, search development, scripting, documentation, and research.
  • Document procedures, configurations, technical findings, and recurring operational tasks.
  • Support vulnerability management, threat detection, security validation, and infrastructure monitoring activities when needed.

Required Skills

  • Strong understanding of Linux and/or Windows server administration.
  • Working knowledge of AWS or similar cloud environments.
  • Experience with Splunk searches, dashboards, alerts, or log analysis.
  • Good understanding of networking fundamentals: TCP/IP, DNS, routing, ports, protocols, VPNs, firewalls.
  • Basic cybersecurity knowledge, including vulnerabilities, logs, alerts, endpoint security, firewalls, and SIEM concepts.
  • Ability to troubleshoot technical issues methodically.
  • Scripting or programming experience using Python, Bash, PowerShell, or similar tools.
  • Ability to read and analyze logs, system events, and operational data.
  • Strong documentation habits.
  • Ability to work with multiple teams and communicate technical issues clearly.

Preferred Qualifications

  • Degree or studies in Cybersecurity, Computer Science, Information Technology, Systems Engineering, or a related field.
  • Experience with Splunk SPL.
  • Experience with AWS EC2, VPC, IAM, CloudWatch, security groups, and related services.
  • Experience with SQL/MySQL or database troubleshooting.
  • Experience building dashboards or operational reports.
  • Experience with APIs, JSON, automation, or data integration.
  • Familiarity with vulnerability management, EDR, SIEM, WAF, cloud security, or managed security services.
  • Comfortable using AI tools such as ChatGPT, Claude, Copilot, or similar tools to accelerate technical work.
  • Strong English reading and writing skills.