Senior Systems Engineer Infra & Security Lead

Steven Nelson

Terre Haute, IN 812-***-**** ***********@*****.***

CISSP (#2917798)

Senior Systems Engineer Infrastructure & Security

15+ years supporting mission-critical systems in high-security environments. Experienced in Linux/Unix, VMware, hybrid infrastructure, and secure system design. Proven ability to lead multi-site deployments, improve system reliability, and implement compliance-driven infrastructure. Strong hands-on experience with practical networking and virtualization tasks.

Core Skills

Infrastructure & Virtualization: VMware vSphere, Oracle VDI, Oracle Cloud Infrastructure

Security: CISSP, STIG/NIST compliance, system hardening, encryption

Systems: Red Hat Linux, Solaris, Windows Server

Networking: TCP/IP fundamentals, hands-on troubleshooting, Cisco systems support

Monitoring & Automation: Elasticsearch, Kibana, Shell scripting

Data & Applications: Oracle Database, WebLogic

Professional Experience

System Engineer II (Technical Lead)

RTX (Raytheon Technologies) 2008–Present

●Lead deployment of mission-critical systems from build-out to operational readiness

●Manage hybrid Linux/Unix and VMware environments

●Maintain ~95% system uptime through proactive monitoring and troubleshooting

●Develop Kibana dashboards to improve observability and reduce issue resolution time

●Perform system hardening, patching, and security compliance (CISSP-aligned)

●Automate operational tasks using scripting; provide SME guidance for Solaris and VMware

Systems Administrator

General Dynamics 1988–2008

●Administered enterprise Solaris, Linux, and Windows environments

●Supported network operations, including routing and basic troubleshooting

●Managed virtualization platforms and server infrastructure

●Implemented system security controls and automated processes

●Delivered Tier 2/3 support for complex system and network issues

Systems Administrator

United States Army 1992–1998

●Supported Unix-based systems in mission-critical environments

●Maintained availability for communication and operational systems

Education

●M.S., Computer Information Systems – University of Phoenix

●B.S., Computer Information Systems – University of Phoenix

●A.S., Computer Information Systems – SUNY Cobleskill

Certifications

●CISSP – Certified Information Systems Security Professional

●CompTIA: Security+, Network+, Linux+, A+

●Oracle Cloud Infrastructure Foundations

●Oracle Data Management Associate

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