Sean Hartling
Tucson
Summary
Dynamic Cyber Security Analyst with proven expertise at Hughes Federal Credit Union in incident response and threat analysis. Enhanced security posture through effective vulnerability assessments and policy development. Recognized for delivering impactful security solutions while fostering collaboration across teams, ensuring compliance and risk management in a fast-paced environment.
Overview
13
13
years of professional experience
1
1
Certification
Work History
Cyber Security Analyst
Hughes Federal Credit Union
Tucson
01.2022 - Current
- Monitored and analyzed security events using SIEM and other security tools to detect, investigate, and respond to potential threats
- Performed incident response activities, including triage, root cause analysis, containment, and remediation of security incidents
- Managed and tuned security tools such as SIEM, MDM, and threat intelligence platforms, enhancing detection and response capabilities
- Conducted vulnerability assessments and security scans across internal and external environments, driving timely remediation of identified risks
- Investigated security alerts, phishing attempts, and anomalous activity to protect system, network, and data integrity
- Supported implementation and maintenance of security controls aligned with governance, risk, and compliance (GRC) requirements
- Contributed to development and enforcement of security policies, procedures, and incident response playbooks
- Collaborated with IT and cross-functional teams to remediate vulnerabilities and strengthen overall security posture
- Delivered security awareness support by identifying phishing trends and user risk behaviors, strengthening organizational defenses
- Assisted in vendor risk assessments, ensuring third-party security posture met organizational standards
- Participated in business continuity and disaster recovery planning and testing, ensuring operational resilience during security incidents
- Stayed current on emerging threats, vulnerabilities, and cybersecurity best practices to enhance detection and defense strategies
Information Technology Manager
Everise
Tucson
07.2021 - 12.2021
- Manage a team of 15 IT Desktop Support team members responsible for the site IT infrastructure
- Coordinated IT resources for 15 lines of business and 45 training classes to facilitate remote training sessions.
- IT Support to provide 24x7 on-call production support
- Oversaw removal of company assets and decommissioning of call center. Coordinated transport of 5 semi-trucks of IT equipment to another facility, resulting in $38,000 monthly savings.
- Took over supervising the other two teams (Las Vegas and Twin Falls) when another manager promptly left the company. This increased my responsibilities from 5 technicians to 15 technicians. Also added both sites that I needed to fully support. The added responsibilities did not affect my quality of work.
- Work closely with and provide management and support to the Everise Corporate Technology team members and their customers.
- Designed and built enterprise components for deployment based on client or management specifications.
- Administration of Windows-based applications of basic principles, theories, and concepts
- Administration of Exchange, remote access technologies, Microsoft Active Directory domain administration and support, including user/policy account creation, permissions allocation, resolving complex replication and authentication issues, creating file and print shares
- User desktop management with a working knowledge of system patch practices and imaging
- Working knowledge of Microsoft Networking principles such as DNS, WINS, DHCP
- Working knowledge of Cisco-based routing and switching by assisting the Network and Server Teams.
- Administration of Third-party software integration within a server enterprise environment
- Supported and maintained multiple server hardware platforms
- Administration of data storage platforms, such as SCSI-attached devices, NAS devices, Storage Area Networks and RAID best practices
- Managed company website content and updates to improve user engagement metrics.
System Engineer
Technology Solutions
Tucson
01.2020 - 11.2021
- Streamlined all IT processes for newly onboarded client, ensuring alignment with contracted IT needs and improved service delivery.
- Implement a new video conferencing system (Zoom) for the client’s 300 users and multiple Conference Rooms
- Managed and handled break-fix issues to include the Network (LAN, WAN, VPN client, RDP setup\configuration\issues)
- Created and trained user accounts in Active Directory, facilitating smoother onboarding for new employees.
- Provision new laptops and desktops, including imaging, user configuration, and software installation
- Administered the 250+ cellular devices (Verizon) and managed the account and reporting to the Executive Team
- Consolidated from two cellular providers to one. Consolidation and removal of unneeded devices resulted in a $30,000 credit with the new provider and lowered the monthly bill by $2,000.
- Troubleshoot MS Office 365, IE, Chrome, & Internal Apps
- Assist the Help Desk team by reworking current processes and SOPs, making sure the client’s needs and wants are being met in an efficient and effective manner
- Mentored Help Desk team members, enhancing their skills and supporting efficient day-to-day operations.
- Phone System (Crexendo) administration including re-working of the main phone menu to fit new business needs.
- Work with 3rd party Contractor and Subcontractors with the remodeling of a new building
- Work with independent software vendors (ISVs) to solve technical issues
- Supported projects in other functions for the Networking Team.
- Demonstrate an awareness of and impact on relevant support issues on a company-wide basis
- Oversaw operations of managed service provider
- Work with 3rd party contractors and subcontractors to remodel a new building. Process included planning, estimating, procuring, moving of legacy IT equipment and incoming Fiber line.
Application Support Specialist II
Intuit
Tucson
11.2020 - 07.2021
- Technical support provided to internal employees who service our customers. Showed an aptitude for working with applications/systems to undertake analysis, diagnosis, and resolution of employee issues/requests, which ranged from straightforward to more complicated technical issues in a dynamic, fast-paced environment.
- Supported Expert Desk Team (Tier 2 & 3) by addressing tasks and resolving issues related to information technology systems, enhancing overall team efficiency.
- Used communication and interpersonal skills combined with technical skills to provide a "white glove” level of support to the employee community.
- In-depth technical troubleshooting of software, and connectivity issues for remote employees
- Assisted customers in gaining access to various systems and servers.
- Monitored incoming issues, identified root causes, and implemented fixes or escalated as necessary to ensure timely resolutions.
- Worked closely with the appropriate teams to resolve or properly close aging tickets
- Maintained a high degree of customer service for all support queries and adhered to all service management principles
- Processed over 1,500 service requests since November, managing 18% of all requests submitted to a team of 12 members.
- Invited by the manager to cross train with the Service Desk Team and to be on the Incident Team within a few weeks of starting at Intuit.
Service Architect
Cord Blood Registry
Tucson
04.2016 - 01.2020
- Provided expert and creative solutions to technology issues to maximize employee satisfaction and productivity. My primary responsibility is to manage the overall operation of the Call Center, including desktop support, Payment Card Industry (PCI) compliance and assisting Remote Employees with any technology issues.
- Maintain Payment Card Industry (PCI) Standards in the secure Call Center through regular security audits and patching
- Training of new and current employees on a regular basis of current security concerns and issues
- Assist Phone Architect with Avaya, EMC, and Telstrat administration
- Managed break-fix issues across network (LAN, WAN, VPN client, RDP setup/configuration) to ensure seamless connectivity and user operations.
- Resolved issues with MS Office, Internet Explorer, Chrome, and internal applications to ensure user functionality.
- Monitor daily ticket flow to make sure all issues are properly researched, updated, resolved or escalated
- Supported projects in other functions initiated by Senior Service Architect and Cloud Architects
- Demonstrate an awareness of and impact on relevant support issues on a company-wide basis
- Work with independent software vendors (ISVs) to solve technical issues
- Create and edit support documentation for CBR systems
- Administered Google Suite, including Gmail, Chrome, and Google Drive, after obtaining certification to manage user accounts effectively.
- Maintain DHCP scope for the PCI area including creation and deletion of DHCP records
- Troubleshoot iPad \ iPhone for remote sales staff (about 250 users) including issues with iTunes and our custom applications
- Provision of new laptops and desktops, including imaging, user configuration, PCI compliance, and software installation
- Diagnosed and resolved issues with headsets and Avaya phones to maintain clear communication for users.
- Initiated and executed planning, testing, and verification of new Employee Change Forms, enhancing change process efficiency for business and IT teams.
- Was tasked with, and successfully completed the planning, testing and deployment of the joint version of the ticketing system that allows for both Cord Blood Registry and California Cryobank’s IT Teams to help fellow employees in an efficient and effective manner.
- Asked to investigate an online asset management solution. Researched different options that integrated with the ticketing system. Selected Panda Express and built out the platform for all of California Cryobank Life Sciences locations and teams. Consolidated 6 different spreadsheets that held Cord Blood Registry’s assets. Also built and imported all users for Cord Blood Registry in Asset Panda.
- Moved all File Maker Pro 6 users (17 users) and Navision (42 users) for California Cryobank Life Sciences off Citrix by planning, scheduling, and building out the process. Assisted each user with the transition to the new instance of Navision or File Maker Pro 6.
- Conducted license cleanups for Google (46), SmartSheets (5), Lucid Charts (11), achieving estimated annual savings of $16,860.
- Assigned to replace the Visitor Check-In system from Envoy to Teem. Researched and planned out the changeover allowing for zero down to the two systems. Estimated yearly savings of $6,000.
- Initiated the implementation of ScreenConnect for all of California Cryobank Life Sciences. Allowing for IT Team members to drastically reduce times on resolving issues especially related to the Lab floor and the production line. ScreenConnect also allowed for a better user experience as computers could be instantly accessed if they were online. Further was tasked with creating a custom setting to not allow instant access and screen preview on Executive Team Members computers.
- Tasked with research and testing of replacing all Windows 7 setups throughout Cord Blood Registry. This involved testing several different custom systems for various departments through the Lab, Sales, and Customer Support Teams. Over 100 build outs completed.
- Continue to be the main point of contact regarding most systems for Cord Blood Registry’s Help Desk Team. (AX, Siebel, LifeSize, WebEx, ZenDesk, Teem, LucidCharts, Zoom, Asset Panda, Smart Sheets).
- Took over the main administrator for Google from the System Administrator after our companies split. Currently holding the only Google System Administrator certification for the company. Administering 341 users and 224 groups.
- Working on my Continuing Education for my Comptia Sec+, attended on-line conference for Continuing Education Units.
- Assisted upper I.T. Management in our current merger with another company
- PCI laptop deployment project – built a new image, and re-imaged computers, checked hardware. Assisted in helping with the education of PCI laptop policies. Reinforced the policy and reeducated when the policy was broken.
- Re-evaluated and adjusted the build procedure reducing the time to get the user back online from ~1.5 hours down to 25 minutes.
- Developed an Excel document containing RDP links to facilitate manual installation of Windows Updates for improved system maintenance.
- Revamped SCSS account creation procedure and created a new document for other technicians
- Initiated and worked with the Training Department to retire desktop computers for training purposes and deployed laptops. This allowed the Trainers to be able to move their classes to available spaces instead of taking up the large conference \Training room.
Lead Technician
Pelstar Inc.
Tucson
03.2013 - 11.2015
- Directly reporting to the owner of a managed service provider. This managed service provider delivers the full spectrum of information technology needs for over 40 companies with 450 users across an assortment of businesses. My primary responsibility is to manage the overall operation of the office, including administration, financial performance, and client satisfaction.
- Manage the I.T. Operations for Managed Service Provider Company with approximately 40 client companies and 450 users across a variety of business fields.
- Managed an internal disaster at the office as the lead technician.
- Increased client satisfaction by introducing its importance to the team.
- Scheduled and tracked I.T. projects from conception to completion using ConnectWise to ensure timely delivery.
- Create and document configuration, performance, and security standards for all client-used technologies.
- Monitored and implemented controls to maintain standards, anticipating equipment failures to minimize downtime using Kaseya.
- Launch a major cleanup project: fix or find inaccurate or missing documentation from records on equipment and/or company specifics needed to lessen the time spent on recurring issues or tasks - resulting in a true time clean inventory, a reduction in wasted time/frustration, and an overall increase in productivity
Education
Bachelor of Applied Science - Technology Development and Management Information Assurance
St. Petersburg College
12-2014
Skills
- Incident response
- Security monitoring
- Threat analysis
- Vulnerability assessment
- Risk management
- Security compliance
- Policy development
Certification
- Google Administrator, 06/16
- CompTIA Security+, 08/18
Timeline
Cyber Security Analyst
Hughes Federal Credit Union
01.2022 - Current
Information Technology Manager
Everise
07.2021 - 12.2021
Application Support Specialist II
Intuit
11.2020 - 07.2021
System Engineer
Technology Solutions
01.2020 - 11.2021
Service Architect
Cord Blood Registry
04.2016 - 01.2020
Lead Technician
Pelstar Inc.
03.2013 - 11.2015
Bachelor of Applied Science - Technology Development and Management Information Assurance
St. Petersburg College