Network & Communications Systems Engineer

SEAN CHASE

SYSTEMS ENGINEER NETWORK AND COMMUNICATIONS

Virginia Beach, VA 757-***-**** *********@*******.*** Active Top Secret / SCI Clearance CompTIA Security+ CE expires 2029 PROFESSIONAL SUMMARY

Network and communications systems professional with 16+ years supporting Naval Special Warfare, DoD, and Joint Special Operations missions. Experienced in secure IP network architecture, Cisco switching, RF/MANET, SATCOM, tactical command-and-control systems, and deployed technical support. Designs and validates integrated networks, isolates connectivity faults, and maintains configuration baselines and recovery procedures. Reduced system downtime by 76% and led communications support for more than 1,500 personnel. Active Top Secret / SCI clearance and CompTIA Security+ CE. Seeking to apply this operational engineering experience to SubSea Craft network and communications systems.

CORE SKILLS

IP Networks: TCP/IP, VLANs, routing, Cisco switching, QoS, VPNs, firewalls, Cradlepoint routers, Wireshark, secure IP infrastructure, TACLAN, NIPR/SIPR

RF and Communications: RF/MANET, TrellisWare, SATCOM, MUOS, ANW2, HF/VHF/UHF, beyond line of sight communications, Blue Force Tracking, AN/PRC-152A/163/167 Systems Integration and Testing: Network architectures, C5ISR integration, TAK Server, ATAK, WinTAK, interoperability checks, user acceptance testing, field exercises, configuration validation Lifecycle and Security: Configuration baselines, SOPs, recovery procedures, test plans, Visio, Windows/Linux, VMware/ESXi, PKI, access controls, STIG/RMF support, IL4/IL6, eMASS, POA&Ms, ATO/ATC coordination PROFESSIONAL EXPERIENCE

Sawdey Solution Services Inc. Naval Special Warfare Support Virginia Beach, VA IT Systems Engineer GSSE Apr 2022 - Jun 2026

• Designed and validated network architectures integrating Cisco switching, secure IP infrastructure, TACLAN, MUOS, ANW2, RF/MANET, and TAK systems for NSW and Joint mission partners.

• Supported integration, deployment, testing, troubleshooting, and sustainment of C5ISR, tactical communications, and secure mission networks.

• Administered Windows and Linux TAK Server environments, including database services, network ports, certificates, users, groups, federation, and external connectivity.

• Delivered Tier 1-3 technical support; coordinated with NSW N6, field service representatives, cybersecurity teams, vendors, and mission partners to restore services and resolve integration issues.

• Developed configuration baselines, SOPs, recovery procedures, test plans, troubleshooting guides, and technical status reports; validated radio and network configurations before operational events.

• Conducted interoperability checks, field exercises, and user acceptance testing, including successful position location information testing across 21 AN/PRC-152A radios and multiple ATAK device groups.

• Supported the Title 50 WinTAK plug-in within an IL6 environment; managed POA&Ms and ATO packages using eMASS for one year.

SEAN CHASE SYSTEMS ENGINEER NETWORK AND COMMUNICATIONS PROFESSIONAL EXPERIENCE CONTINUED

Naval Special Warfare Group TWO Virginia Beach, VA Automated Information Systems Warehouse Manager / Program and Asset Manager Mar 2019 - Apr 2022

• Managed POA&Ms and ATO packages using eMASS for two years, supporting system security authorization activities.

• Managed lifecycle accountability, configuration tracking, maintenance, fielding, and procurement of mission-critical IT, communications, and tactical network equipment valued at approximately $2.4M.

• Reduced system downtime by 76% through proactive maintenance, quality checks, accelerated issue resolution, and coordination with technical support organizations.

• Generated approximately $125K in annual savings through equipment reuse, procurement optimization, vendor coordination, and lifecycle planning.

• Supported TACLAN operations, N6 liaison activities, and help desk workflows; developed SOPs, readiness reports, turnover documentation, and leadership briefings. Joint Special Operations Task Force Iraq Iraq

Advisory Software Engineer / Tactical Communications SME Dec 2018 - Jun 2019

• Provided deployed technical advisory and user support for secure communications, network services, and mission systems; supported projects exceeding $1.5M through installation, testing, acceptance, and sustainment.

• Led a seven-person technical team and trained 84 Iraqi Special Policemen and partner-force personnel in communications operation, troubleshooting, and sustainment.

• Documented technical issues, corrective actions, configuration changes, and lessons learned for leadership and follow-on support teams.

Naval Special Warfare Mobile Communications Team TWO Virginia Beach, VA Information Systems Technician / RF SATCOM Network Systems Jun 2016 - Mar 2019

• Installed, configured, operated, maintained, and troubleshot tactical communications systems across HF/VHF/UHF, SATCOM, mobile network, and secure IP environments.

• Performed network configuration, pre-mission checks, and communications validation; isolated faults and restored connectivity with operators, engineers, and external support teams, helping maintain 100% communications readiness during mission support periods. Special Operations Joint Task Force Afghanistan Afghanistan Senior Signal Systems Chief / Program Manager Jun 2015 - Jun 2016

• Managed five communications programs supporting more than 1,500 personnel; led geographically dispersed technical teams and oversaw network planning, implementation, maintenance, and service restoration.

• Improved data-processing efficiency by 68% through automation, workflow refinement, and standardization. Additional Experience: Information Systems Technician, SOF Joint Communications Unit (2010 - 2011), and earlier tactical network/C5ISR assignments supporting secure communications, systems integration, network administration, and user training.

EDUCATION CERTIFICATIONS AND TRAINING

Bachelor of Science in AI, Minor in Project Management University of Maryland Global Campus In progress; expected 2027

CompTIA Security+ CE Expires 2029 Six Sigma White Belt Joint C4I Systems Certification Spectrum XXI Frequency Manager JSOC ATAC Partner Force Advisor Information Management Officer SATCOM and secure network training

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