Jim Crossen
Conway,AR
Overview
11
11
years of professional experience
4
4
Certifications
Work History
Network Security Engineer
City Of Little Rock
04.2023 - Current
- Primary job functions: Design and Security Infrastructure Management: Select, configure, and manage security tools and technologies, including firewalls, VPNS, anti-virus software and endpoint detection and response (EDR) systems
- Perform comprehensive network security assessments to identify and address vulnerabilities, reinforcing the infrastructure's defense against cyber threats
- Threat Analysis and Management: Continuously monitor the network for security breaches and potential threats, performing risk assessments and executing proactive strategies to neutralize vulnerabilities before they can be exploited
- Compliance and Policy Development: Ensure all network security protocols are in compliance with industry standards and regulatory requirements
- Develop and update cybersecurity policies and procedures to reflect evolving best practices and compliance mandates
- Project Management: Lead cross-functional project teams in the planning, execution, and delivery of security projects
- Define project scopes, goals, and deliverables that support business objectives in collaboration with senior management
- Manage Project timelines, team members, and resources to achieve desired outcomes
- Incident Response: Serves as technical lead member of the incident response team, quickly addressing and mitigating security incidents
- Conduct post-incident analysis to identify root causes and corrective measures to prevent future occurrences
- Training and awareness: Create and conduct security awareness training sessions for employees, promoting cybersecurity best practices and educating staff on the importance of security protocols
- Maintains, or assists in maintaining various servers and applications
- Creates and maintains scripts in Python and PowerShell
- Manage and provision user access to various systems for both internal and external users.
IT Support Specialist/Information Systems and Security Administrator
Abaca/Safe Harbor Financial
04.2022 - 04.2023
- Primary job functions: Designed, installed, and maintained vulnerability servers and products, reporting and remediation of scan results
- Administration of AWS (Amazon Web Services) including, but not limited to servers, security configurations and Identity and Access management
- Administration of antivirus products and policies
- Designed, maintained, and evaluated phish threat related activities including simulated phish threat exercises and analyzing authentic phishing emails
- Designed, installed, and maintained the voice and data (VOIP) communications system
- Helpdesk management - Provide Tier I/III IT Support for the day-to-day operations
- Installed, configured, and maintained security systems to include firewalls, VPN access, email filters, web filters, spam filters, security servers within the current security structure; installed and implemented network security design to ensure network systems were patched and adequately protected from unauthorized use
- Developed, installed, and maintained security for internal and external access to Safe Harbors network, in-house applications, and standalone systems
- Maintained, or assisted in maintaining various servers and applications
- Created and maintained scripts in Python, SQL and PowerShell
- Managed and provisioned user access to various systems for both internal and external users
- Troubleshot back-end SQL issues - Queried and updated databases
Network Analyst
City of Little Rock
08.2020 - 04.2022
- Primary job functions: Maintained and troubleshot antivirus products, cache servers and policies
- Created, maintained, and evaluated phish threat related activities including simulated phish threat exercises and analyzing authentic phishing emails
- Maintained the voice and data (VOIP) communications system for all CoLR operated facilities; evaluated, troubleshot, and diagnosed voice and data communications system malfunctions; took necessary action to restore system to service; notified appropriate personnel of status; resolved the problem, advised supervisor, and contacted outside vendors for resolution as appropriate
- Maintained or assisted in maintaining various servers, switches, firewalls, and applications including CUCM, UCCE, CUC, CIMP, Verba Recording, Xmedius/XM Fax, WSUS, PDQ, email filters, domain controllers, on-premises exchange, O365, Active Directory, DHCP, ManageEngine products, Checkpoint, Wireshark, NMAP, and PRTG
- Nessus vulnerability administration, reporting and maintenance
- Ensured the maintenance, set-up, and configuration of SSL certificates
- Created and maintained scripts in Python and PowerShell
Network Coordinator Sr
City of Little Rock
01.2020 - 08.2020
- Primary job functions: Maintained and trouble shot antivirus products, cache servers and policies
- Created, maintained, and evaluated phish threat related activities including simulated phish threat exercises and analyzing authentic phishing emails
- Maintained or assisted in maintaining various servers and applications
- Troubleshot, upgraded, or replaced server and application software systems
- System performance tuning, process improvement and automation
- Active Directory, Group Policy and DNS administration and maintenance
- Consulted with vendors and software publishers, reviewed literature and technical documents, and conducted research to obtain information for solving problems and investigating purchase options.
IT Support Specialist
City of Little Rock
10.2019 - 01.2020
- Primary job functions: Assisted in establishing and maintaining departmental standards
- Troubleshot, maintained, upgraded, or replaced hardware and software systems
- Created and/or followed IT standard operating procedures
- Identified, evaluated, and prioritized user helpdesk tickets to ensure that inquiries were successfully resolved
- Provided assistance and support in Active Directory
- Imaged, configured, and installed systems issued to users, decommissioned retired systems.
IT Technician
Redstone Construction Group, Inc.
01.2015 - 01.2019
- Primary job functions: Provided support for Windows OS, IOS, Android, Microsoft Office Suite, Polycom VoIP phones and specialized industry software
- Provided training and assistance in information security awareness
- Configured, administered and reported phish threat simulations
- Oversaw day-to-day and hands-on support
- Maintained and trouble shot antivirus products and policies
- Created and maintained Microsoft Access databases
- Documented, maintained, upgraded or replaced hardware and software systems
- Created and/or followed IT standard operating procedures
- Identified, evaluated, and prioritized user helpdesk tickets to ensure that inquiries were successfully resolved
- Continually created or expanded how-to documentation
- Assisted in maintaining the company's network devices such as routers, switches, access points and 4G cradle points
- Oversaw mobile devices, their accounts, and device management policies and procedures.
Skills
- Network Security Design
- Access Control Management
- Vulnerability Assessment
- Application security
Certification
- Comptia A+
- Network+
- Security+
- Sophos Antivirus Administrator
Timeline
Network Security Engineer
City Of Little Rock
04.2023 - Current
IT Support Specialist/Information Systems and Security Administrator
Abaca/Safe Harbor Financial
04.2022 - 04.2023
Network Analyst
City of Little Rock
08.2020 - 04.2022
Network Coordinator Sr
City of Little Rock
01.2020 - 08.2020
IT Support Specialist
City of Little Rock
10.2019 - 01.2020
IT Technician
Redstone Construction Group, Inc.
01.2015 - 01.2019