DANIEL CROOKS
Tracy,California
Summary
Accomplished Senior Network Engineer with a proven track record at ATT, specializing in network architecture design for reliability and capacity. Expert in meshing existing networks for efficiency and cost savings, significantly reducing operational errors. Demonstrates exceptional capacity management and leadership, ensuring seamless service delivery and enhanced system performance.
Overview
42
42
years of professional experience
Work History
Senior Network Engineer
ATT
09.2006 - 12.2021
- Worked with planning and technical design teams for routine operations and special projects.
- Monitored network activities to quickly detect and resolve operational and reliability issues.
- Managed purchasing and installation of networking equipment such as core routers and switches.
- Standardized processes and procedures for network maintenance and configuration changes, reducing errors and streamlining operations.
- Assisted in design and implementation of interim Video ring network topology to reliably deliver Uverse video to customers.
- Streamlined troubleshooting processes by creating detailed documentation of network infrastructure, configurations, and topologies.
- Reduced downtime for essential systems by proactively identifying and resolving network issues.
Capacity Manager
SBC Communications
05.2001 - 09.2006
- Evaluated emerging technologies for potential benefits in enhancing the organization''s capacity management capabilities.
- Coordinated with internal telco teams and external carriers to design and deliver capacity into the network as needed, and with designed reliability
- Provided training and guidance to team members on best practices in capacity management techniques.
- Implemented proactive measures to prevent capacity-related issues, ensuring uninterrupted service delivery.
- Managed vendor relationships to secure necessary resources and ensure timely delivery of services.
- After SBC/ATT merge, began transitioning to ATT based carrier capacity away from external capacity for deceased costs while still retaining diverse, protected capacity designs
Service Executive
SBC Communications
11.1999 - 05.2001
- Represented large customers by escalating service and performance issues to key internal stakeholders for increased client satisfaction and retention.
- Met with customers on an ongoing basis to ensure alignment and retention.
- Collaborated with cross-functional teams to ensure seamless service delivery to clients.
- Streamlined service processes for improved efficiency and reduced response times.
Supervisor
SBC Communications
11.1997 - 11.1999
- Managed a team of 16 Commtechs who implemented and serviced services such as Supertrunk, Primary rate ISDN, Centrex, and other services through switch translations in DMS100, 5AESS, and a few older 1AESS switches which were eventually replaced
- Oversaw daily operations of the department, ensuring smooth workflow and timely completion of tasks.
- Applied strong leadership talents and problem-solving skills to maintain team efficiency and organize workflows.
- Improved customer satisfaction with timely response to inquiries, addressing concerns, and finding effective solutions.
- Increased team productivity by implementing efficient workflows and setting clear expectations for staff members, administering annual reviews,
Network Analyst
PACIFIC BELL, Service Operations Network Services
08.1996 - 11.1997
- Worked in the Network Health Center for the Advanced Communications Network, a pilot project supporting telephony, internet, and Cable TV over a hybrid fiber/coaxial network in 2 California markets
- Coordinated with vendors for hardware maintenance and upgrades, negotiating favorable terms to meet budgetary constraints while maintaining system reliability.
- Resolved connectivity issues for end-users through troubleshooting and implementing solutions.
- Managed development, deployment and training of Custom systems used to monitor and troubleshoot the network.
- Wrote ad hoc tools and patches to resolve recurring production problems.
Computer/Communications Specialist
SmithKline Beecham Clinical Laboratories
08.1987 - 08.1996
- Worked with Mainframe Computer system, performing backups, workstation adds and moves, Troubleshooting and resolving issues.
- Managed PBX system and added/moved phones as needed around the facility, resolved issues as they arose.
- Managed remote 25 locations that were linked to the Mainframe using leased lines, multiplexors and modems. Maintain connectivity by troubleshooting and clearing issues with leased lines, terminals, and communications equipment.
- Developed internal communication materials to facilitate team alignment.
- Improved stakeholder engagement with targeted communication strategies.
Field Service Technician
Davis and Hanley
07.1981 - 08.1987
- Responded quickly to emergency maintenance requests for timely on-call support.
- Maintained a high level of professionalism in all interactions with clients, consistently receiving positive feedback for exceptional service.
- Installed equipment and explained operation and routine maintenance protocols to customers.
- Reviewed technical documentation to complete equipment maintenance and repair.
- Performed Maintenance on equipment including component level repairs at times as needed
Bench Technician
Triad Systems
04.1980 - 07.1981
- Improved customer satisfaction with timely repairs, ensuring minimal downtime for essential equipment.
- Prevented equipment failures through proactive identification of potential issues and implementation of preventive measures.
- Streamlined repair processes, resulting in faster turnaround times and increased productivity.
- Participated in cross-functional trainings to broaden skill sets, improving overall team efficiency and versatility in handling diverse repair tasks.
Education
Associate of Arts - Computer Maintenance Technology
Chabot College
Hayward05-1984
Associate of Arts - Communications Maintenance Technology
Chabot College
Hayward, CA05-1984
Skills
- Capacity management
- Network Architecture design for reliability
- Team Alignment
- Network traffic trend Analysis
- Meshing existing networks for efficiency/cost savings
- Space and Power management
Timeline
Senior Network Engineer
ATT
09.2006 - 12.2021
Capacity Manager
SBC Communications
05.2001 - 09.2006
Service Executive
SBC Communications
11.1999 - 05.2001
Supervisor
SBC Communications
11.1997 - 11.1999
Network Analyst
PACIFIC BELL, Service Operations Network Services
08.1996 - 11.1997
Computer/Communications Specialist
SmithKline Beecham Clinical Laboratories
08.1987 - 08.1996
Field Service Technician
Davis and Hanley
07.1981 - 08.1987
Bench Technician
Triad Systems
04.1980 - 07.1981
Associate of Arts - Computer Maintenance Technology
Chabot College
Associate of Arts - Communications Maintenance Technology
Chabot College
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