Eric Kremers - NOC Manager, Reliance Cyber Ltd.

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Work Background

Reliance CyberMIS SOC Manager

Jan. 2024 - Dec. 2025Bristol, England, United KingdomAs SOC Manager, I lead the end-to-end delivery of Managed Infrastructure Services for a diverse portfolio of enterprise clients, combining hands-on technical expertise with strategic team leadership. I manage the day-to-day operations of the SOC, act as the senior escalation point for high-priority incidents, and ensure service excellence across all engagements. My role balances deep technical involvement - guiding complex incident response, maintaining monitoring platforms like SolarWinds, and refining service documentation - with a strong focus on people and performance. I lead and develop a high-performing team of engineers, aligning individual growth with business goals and fostering a culture of accountability, collaboration, and continuous improvement.

Reliance CyberEscalations Lead

Dec. 2022Bristol, England, United KingdomI was subsequently promoted to Escalations Lead Engineer, expanding my responsibilities to include oversight of high-priority incidents and major escalations across the SOC. In this role, I served as a primary point of contact for P1 incidents, ensuring effective communication between technical teams and stakeholders, and driving incidents through to resolution. Key Responsibilities: - Leading escalation management and communications for critical incidents (P1s), coordinating timely responses and actions - Producing high-quality post-incident reports, including Root Cause Analyses (RCAs), for internal and customer-facing stakeholders - Supporting escalation workflows while continuing to deliver hands-on technical support and leadership as part of my day-to-day role

Reliance acsnMSS Engineer, SOC

Sep. 2018London, United KingdomAfter the first couple of months I was placed at a customer site, where I worked there full time for over a year and a half. The customer was a multinational banking and financial services company. I was part of the global firewall management team. Key responsibilities within the company: • Working on general BAU support such as, carrying out changes, and troubleshooting incidents • Products that were managed and supported consisted of Palo Alto, Check Point, Junos Space and Cisco ASA devices • Working on a data centre migration project since the beginning of July 2019 and ending June 2020 When the project successfully finished, I continued to manage and support all the other customers. Being made lead engineer to one, working on their Check Points, F5s and McAfee Web Gateways. During the first few months I also obtained my security clearance.

Reliance CyberMIS Engineer, SOC

Sep. 2018 - Dec. 2025London, United KingdomFollowing my initial onboarding period, I was seconded full-time to a multinational banking and financial services client, where I spent two years as part of their global firewall management team. My responsibilities included day-to-day operational support, executing change requests, and troubleshooting network security incidents across a diverse environment. Key Technologies & Responsibilities: - Provided BAU support and incident management across firewall platforms including Palo Alto, Check Point, and Cisco ASA - Played a key role in a large-scale data centre migration project, from initiation in July 2019 through to successful completion in June 2020 - Obtained security clearance to support work within sensitive environments After the project concluded, I resumed supporting a broader range of customers within the MIS portfolio. I was appointed Lead Engineer for a key client, overseeing the management and optimisation of their Check Point firewalls, F5 application delivery controllers, and McAfee Web Gateway infrastructure.

SecureData Europe - Trusted Cybersecurity ExpertsTechnical Support Analyst, SOC

Mar. 2017 - Sep. 2018Maidstone, United Kingdom• Monitoring everyday firewall alerts, informing the customer and resolving any alerts that may arise • Analysis of network traffic via firewall intrusion prevention and threat prevention modules • Management of SIEM tool ‘LogRhythm’ to interpret raw logs to produce threat intelligence reports when a potential security incident may have occurred and actions to resolve • Day to day use of Checkpoint, F5, Bluecoat, Arbor, SecurEnvoy, Aruba, and Palo Alto • Providing evidence of DDOS attacks along with mitigation and reports to customers • Analysing and implementing change requests on the firewalls • Constantly being exposed to all aspects of security risks, such as; malware, viruses and progressing SIEM analytics skills • Triage based on verification, level of exposure and impact assessment • Real-time monitoring of SIEM cyber defense and intrusion detection systems • Working in a fast-paced Security Operations Center in an ISO 27001 compliant environment

Lifeline ITField IT and Network Support Engineer

Mar. 2016 - Mar. 2017London, United KingdomWorking for Lifeline IT involved supporting numerous clients from a wide range of fields, such as retail, real estate, fashion, mortgage brokers, bars, restaurants, accountants and solicitors that require IT support, telephony, IT strategy, networking and security. Periodically creating project plans and undertaking projects at clients of varying scales all over the city of London. The main daily duties include: • Windows Server 2003, SBS, 2008R2 and 2012R2 installation, configuration and administration to function in an existing network. • Microsoft Exchange Server 2007, 2010, 2013 and Office365 to support company mailing systems with a distribution over Active Directory Services. • Troubleshooting and resolution of issues encountered by employees in Windows 7, 8.1 and 10 desktop environments as well as Office applications. • Administration of Active Directory, Group Policy, DNS and DHCP servers in the event a client gets locked out, enforcing password policies and disabling accounts after employees leave their companies. • Configuration and Troubleshooting LANs, WANs and Wi-Fi networks using hardware from Cisco, Dell, HP, Draytek and Juniper to ensure optimum performance of networks. • Network monitoring through the SonicWall Firewall interface to identify any malicious attempts to breach the network or infect it with dangerous malware such as the Crypto Virus. • Configuring and managing Firewall rules and NAT policies to close vulnerable ports that could compromise networks and also monitor traffic from non-trusted external networks. • Administration of Virtual Machines using VMware, Vsphere and Hyper-V technologies. • Management of Avaya IP telephony equipment for use in the office environment. • Configuring VPN services for clients working from home. • Backup and monitoring of data to facilitate smooth disaster recovery. Using Vembu, Cloudberry and Symantec Backup Exec. • Computer hardware and other devices such as PED and PDQ payment systems.

Marlow NavigationIT Support

Aug. 2012 - Aug. 2012Limassol, CyprusMarlow Navigation is a worldwide ship management service. I worked for the whole of August with the I.T. Support team. My role included I.T. support to over 300 users, server administration and networking.

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