Sean Messick

Network Administrator, Cyber Security & Project Management Specialist

adsnej@r.postjobfree.com • 209-***-****

www.linkedin.com/in/sean-messick-76a39685/• Stockton, CA

An astute, meticulous, and client-orientated Cyber Security and Project Management Specialist, with extensive experience maximizing network availability and realizing complex projects for regional transit, consultancy, and technology organizations. Equally adept coordinating entire lifecycle of projects and delivering innovative, out-of-the box solutions, that resolve challenges of inherited, distressed programs. Expertise spans program and security audits, hardware integration, software installation and updates, problem-solving, root cause analysis, storage and maintenance, operational efficiency, asset, and incident management. Examine product specifications to identify opportunities to redesign and simplify product design, to reduce costs and promote scalability. Leverage expertise, strong communication, and cross-functional collaboration, to lead multi-million-dollar network transformations. Build robust client and vendor relationships, negotiate contracts, and oversee delivery to required specifications. Harness training and mentoring, with commitment to fostering diverse, inclusive, and positive working environments, to retain talent, and build high performance, motivated teams, that drive profitable organizational growth.

Skills

Team Leadership

Cybersecurity

IT Architecture Design

& Implementation

Software, Hardware & Deployment

System Deployment & Maintenance

Product Redesigns

Scaling Manufacturing Lines

Innovative Problem Solving

Project Lifecycle Management

Routing & Switching

VLAN Management

Asset Management & DAM

VoIP

Operational Efficiency

Process Automation

Software Implementation

Team Building

Training & Mentoring

Technical Documentation

Critical Thinking

Vendor Management

Contract Negotiations

Education

Theological Studies

Christian Life College,

Stockton, CA

1992 – 1994

Certifications

Computer Science, Cisco Network Academy & General Education

San Joaquin Delta College

2000 - 2002

Technical Proficiencies

Applications:

Active Directory, Citrix, DarkTrace, Hyper-V, Laserfiche, MetaSploit, Office Suite, OSSIM, Solar Winds, SQL, Trapeze, Transit Master, Trend Micro, Visio, Sugar CRM

Cloud Solutions:

AirWatch, AWS, Azure, Extreme Networks, GTFS, Justride, Netcloud, O365, Swiftly

Equipment:

Hardware:

Networking:

Operating Systems:

Protocols

Firewalls, Power Distribution, Routers, Switches, Wireless Access Points

AeroHive, Apple, Arecont Vision, Cisco, CradlePoint, Dell, HP, Masabi, Motorola, Palo Alto, Peripherals, Polycom, Samsung, Sierra, SonicWALL, TAIT

EtherChannelEthernet, Gigabit Ethernet, LAN, WAN, WLAN, SDWAN, T1 and VPN

Apple OSX, Chrome OS, iOS, Kali Linux, Linux, Microsoft Server 2003-2019, Ubuntu, Unix, Windows 95-10

DHCP, DNS, EIGRP, FTP, HTTP/s, IIS, LDAP, OSPF, TCP/IP, 802.11

Career Experience

Network Administrator 2018 – Present

San Joaquin Regional Transit District, Stockton, CA

Tasked with delivery of operational support plus maintenance and safeguarding of company’s network. Lead team of 4 staff and up to 6 contractors. Advise senior leadership on strategic and operational security. Execute regular network audits to identify any vulnerabilities in IT framework, plus internal and external applications. Assess countermeasures and build solutions to address issues. Investigate IT breaches and advocate for risk mitigation tools and strategies. Analyze procedures and integrate data, leveraging Fleetwatch, Infor, Microsoft 365, and Trapeze. Oversee fleet mobile ticketing system, install, and configure multiple systems, hardware, and peripherals.

●Devised disaster recovery plan, employing dual-data centers and redundant core server stack to secure assets.

●Cut spending by $80,000 per annum with overhaul of failing automation project.

●Saved $60,000 annually by streamlining workflow across multiple departments.

●Identify opportunities for continuous improvement by auditing work processes and current best practice, then present findings to senior leadership.

●Designed, built, and launched new NIST-compliant security infrastructure, following execution of cyber security audit.

●Cut resources and paper usage by streamlining work processes across departments by digitizing and automating workflow.

●Transformed fleet-wide camera system encompassing Campus, Fleet and BRT stop camera systems within single VMS.

●Augmented cyber security awareness, including phishing and other attacks, by creating training program for employees of various technical proficiencies.

●Saved 30% on projects by examining vendor proposals and refining proposed designs.

Network Security Consultant 2021 – Present

Netwerx-Management, Stockton, CA

Deliver technical consultancy to local MSP. Review and evaluate client protocols and policies, providing advice on changes required to improve processes, standards, and compliance. Identify and mitigate risk with network audits and testing. Develop cyber security toolsets, leveraging open architecture USM (OSSIM), for small and medium-sized companies. Draft and agree master service agreements and contracts to meet individual needs of clients. Complete policy reviews and ensure adherence to regulatory requirements.

●Realized 10% increase in sales by launching, promoting, and selling new cyber security product.

Senior IT Specialist 2015 – 2018

San Joaquin Regional Transit District, Stockton, CA

Led design, configuration, and maintenance of new IT architecture. Safeguarded network and website with encryption, firewalls, IPS, and network traffic analysis. Bolstered radio communications network by utilizing ethernet to improve speed, reduce latency, and augment connections. Created Request for Proposals (RFQs) and refined Scope of Work (SOW) guidelines to optimize planning and budgeting. Liaised with leadership every week to establish critical requirements of each department. Determined Scopes of Work and road mapped projects.

●Built new site IT architecture, utilized by up to 200 end-users.

●Migrated on-site PBX over to VoIP system time and cost savings plus realized uptime of 99%.

●Improved reliability of data transfers by transferring transit fleet over from analog to digital radio.

●Key member of team tasked with execution of systems analysis for numerous business applications. Assessed

end-user requirements, to determine system requirements and optimize performance.

●Slashed $250,000 off expenditure by reviewing technical specifications proposed by vendors for multiple projects.

●Introduced FAQ knowledge base that answered daily common queries, that negated need for escalation and reduced technical support calls by 20%.

IT Specialist 2013 – 2015

San Joaquin Regional Transit District, Stockton, CA

Configured and troubleshot issues with data centers and associated networks’ design and implementation. Authored and updated corporate IT policies, comprising siting, server efficacy, safety, and equipment, during relocation of data center

and restructuring of hardware. Outlined work protocols within training manuals, to ensure adherence by all employees. Maintained security of lock systems and introduced new security policies, as required.

●Diagnosed and resolved over 50 technical support tickets every week.

IT Analyst 2011 – 2013

San Joaquin Regional Transit District, Stockton, CA

Originally appointed as contractor later employed full time as IT Analyst. Answered Information Security enquiries and addressed issues related to email, network applications and web access. Escalated tickets to other functions, when necessary, and reported open tickets to department heads on weekly basis. Tracked Queued for Trouble tickets, sent to Administration Group, to ensure efficient resolution. Control access to security groups and resources, utilizing Active Directory, Exchange, PowerShell, and other server applications, safeguarding assets appropriately. Deployed and upgraded software, hardware, and peripherals to maximize availability.

●Delivered technical support to 200 of end-users.

Co-Founder & Application Architect, Paper Crow Media, Inc., Lodi, CA 2008 – 2012

Co-Founder & General Manager, Element Studios, Lodi, CA 2005 – 2012

Systems Development Support Engineer, Activant Solutions Inc., Livermore, CA 2003 – 2005

Sales Engineer, Activant Solutions Inc., Livermore, CA 2001 – 2003

Helpdesk Specialist, CCI/Triad Inc./Activant Solutions Inc., Livermore, CA 1998 – 2001

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