Software Engineer System Administrator

Brian A. Duff

**** ***** **** **, ******, Texas *6571

Phone: 254-***-**** Email: *****.*.****@*******.***

PROFESSIONAL SUMMARY

Experienced Senior System and Network Administrator with 15 years of experience in military intelligence systems. Extensive expertise in configuring and managing networks, including Cisco, Dell, and NetApp systems, while ensuring compliance with Information Assurance (IA) standards. Proven track record as a Field Software Engineer (FSE) supporting the U.S. Army's DCGS-A, TGS, and ISR systems across multiple networks, including NIPR, SIPR, and Coalition. Adept at troubleshooting, training personnel, and providing technical support to enhance Intelligence, Surveillance, and Reconnaissance (ISR) capabilities. Holds an active Top Secret – SCI Security Clearance with CI Polygraph.

SKILLS

Technical Skills: Linux and Windows System & Network Administration, Active Directory, Information Assurance (IA), Configuration Management, Security Compliance (IAVAs, Hotfixes), NetApp Storage Administration, VMWare Virtualization and vSphere Client, Linux, UNIX, Solaris, Windows OS, Cross-Domian maintenance and remote access. Geo-Spatial Tools and Data Base Creation and maintenance

Tools & Technologies: VMWare and vSphere Client, NetApp manager Guardrail, eMARRS, OGS, Prophet, Trojan, GBS, TGS, Shadow UAV, Fiber Optic Cable Builds and Repairs

Soft Skills: Troubleshooting, Software Installation & Configuration, Field Support, Training, Technical Documentation, Process Improvement

Certifications: Security+ CE, Linux+ CE, Network+ CE, Novell CLA11, LPCI-1, Windows 10 Certification

Clearance: Top Secret – SCI Security Clearance /w CI Polygraph

PROFESSIONAL EXPERIENCE

Semper Valens Solutions, INC. – Senior Distributive Common Ground Station-Army (DCGS-A) Field Software Engineer/System Administrator

05/2022 – 12/2024

Provide field support for U.S. Army intelligence systems, focusing on software installation, configuration, troubleshooting, and technical assistance.

Maintain theater Active Directory (AD) for over 500 users and 350 workstations across 4 countries. Maintained 7 Servers with 175 Virtual Machines to a 99% readiness rate,

Manage and implement IAVAs and hotfixes as Configuration Manager for all servers and workstations.

Ensure compliance with Information Assurance (IA) standards and perform system maintenance to combat vulnerabilities using NESSUS, ACAS, and WSUS scanners.

Provide Post Development Software Sustainment (PDSS) to enhance ISR capabilities in Southwest Asia and telephonically worldwide to 7 different regions.

Communication and Electronics Command (CECOM) – Intelligence Electronic Warfare Logistical Area Representative

07/2021 – 05/2022

Provided technical assistance and subject matter expertise for a wide range of intelligence, surveillance, and reconnaissance (ISR) systems, including DCGS-A, Tactical Ground Station (TGS), and Prophet systems.

Advised military personnel on the maintenance and operation of IEW systems, recommending improvements and troubleshooting system issues.

Trained military and civilian personnel in system operation, maintenance, and troubleshooting procedures.

Investigated system malfunctions, providing technical solutions and recommending improvements to resolve operational issues.

Tobyhanna Army Depot – Distributive Common Ground Station-Army (DCGS-A) Field Software Engineer/System Administrator

03/2016 – 06/2021

Supported DCGS-A systems, including software installation, configuration, and troubleshooting.

Maintained Active Directory (AD) and verified compliance with IAVAs and hotfixes for over 500 users and 350 portable workstations across multiple countries.

Assisted in the deployment of updated software versions and system configurations to ensure mission readiness.

General Dynamics Information Technology – Field Service Software Engineer/System Administrator

06/2014 – 03/2016

Maintained multi-network systems, including NSANET, SIPR, NIPR, and JWICS, ensuring system availability and security.

Administered Active Directory (AD) and conducted troubleshooting for software and hardware systems.

Provided training to Army personnel on system operations and software usage.

Engility Corp – Sr. Field Software Engineer

01/2011 – 06/2014

Provided software support for systems, including Guardrail and OGS, across multiple operating systems (Windows, Solaris, Linux).

Maintained U.S. Army Military Intelligence application software and systems operational capabilities through routine procedures.

Trained personnel in system operation and maintenance procedures.

ADDITIONAL EDUCATION & CERTIFICATIONS

Security+ CE Certification, Linux+ CE Certification, Network+ CE Certification

Novell CLA11 Certification, Novell LPCI-1 Certification

Windows 10 Certification

SYSTEMS KNOWLEDGE

Systems & Technologies: Active Directory, NetApp Storage, IBM Blade Servers, Windows OS, Linux, Solaris, Solaris, COMSEC, DCGS-A, Guardrail, eMARRS, OGS, Prophet, Trojan, GBS, TGS, Shadow UAV, Fiber Optic Systems

SECURITY CLEARANCE

Top Secret – SCI Security Clearance /w CI Polygraph

EDUCATION

Bachelor of Science (BS) in Information Technology (Current Student)

Western Governors University

Associate of Applied Science in Computer Information Systems

Central Texas College, Killeen, Texas – 2014

Associate of Applied Science in Disciplined Studies

Central Texas College, Killeen, Texas – 2017

High School Diploma

Central Kitsap High School, Silverdale, WA – 1985

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