We're now looking for a highly skilled and proactive Senior Network Administrator to join our team and play a pivotal role in driving Network Security and Cyber throughout the business.

Key Responsibilities and Skills:

• Windows Server 2016/2019/2022; Active Directory (on-premises and Azure AD hybrid); Group Policy management; DNS, DHCP, and file/print services.
  

• AD Users & Computers, group and OU management, permissions, security groups, Group Policy Objects (GPOs), AD Connect synchronization.

• Advanced user, group, and license management; mailbox and Exchange Online (mail flow, roles, retention); and security/compliance features.

• Administration of Teams, SharePoint, and OneDrive; troubleshooting integration and collaboration issues.

• Data loss prevention, MFA setup, conditional access, and Office 365 security best practices.

•  Experience with Azure Portal; user and resource management; virtual networks (VNets); virtual machines; web apps; Azure Active Directory.

• Proficient in remote troubleshooting tools; desktop support for 1st/2nd line issues (Windows 10/11); hardware/software installation.

• Collaborative troubleshooting of network issues (TCP/IP, DNS, DHCP, switching), VPN, Wi-Fi, printer/device management, supporting both office and remote users.

• Work with third-party telephony provider to set up and support users on VOIP systems.

• First-line support for core business apps—especially CRM, GDS, VOIP, and travel booking systems. Liaise with remote support teams to triage and resolve user issues.

• Apply security patches; implement best practices for user, device, and data protection; incident response and compliance awareness.

• Maintain clear and accurate IT documentation, guides, and internal knowledge base entries, ensuring up-to-date and accessible information for the wider IT function.

• Balance ticket-based user support with participation in IT infrastructure and security projects, system upgrades, and process improvements.

• Ability to work independently, take ownership of tasks, prioritize workload, and ensure timely resolution, while collaborating with team members as needed.

• Excellent verbal and written communication skills. Ability to clearly explain technical issues to non-technical users, and to produce concise, accurate documentation and reports.
  

• Monitor and troubleshoot ASP.NET/.NET applications on Windows/IIS servers.

• Support and troubleshoot Linux VMs (primarily Ubuntu); shell access; service management; updates; log review.

• Exposure to web stack components such as NGINX, MySQL/Redis/PHP.
  
  

• PowerShell scripting for automating tasks across Active Directory, Exchange, Office 365, Azure, and Windows environments.

• Threat Detection & Response: Ability to detect anomalies, malware, and intrusions using monitoring tools.
• Firewall & IDS/IPS Management: Configuring and maintaining network security devices (e.g., firewalls, intrusion detection/prevention systems).
• Vulnerability Management: Running scans, analysing reports, and remediating vulnerabilities.
• Incident Response & Forensics: Handling security breaches, performing root cause analysis, and documenting findings.
• Scripting/Automation: Familiarity with scripting (Python, PowerShell, Bash) for automating security tasks.

Cyber responsibilities:

• Monitor security alerts and logs for suspicious activity.
• Conduct regular audits on systems, networks, and users to ensure compliance and security.
• Patch systems regularly to close vulnerabilities.
• Manage secure configurations of routers, switches, and other infrastructure.

• Develop and enforce cybersecurity policies, procedures, and best practices.
• Lead or participate in incident response planning and tabletop exercises.
• Collaborate with compliance officers to support audits and risk assessments.
• Evaluate new cybersecurity tools and technologies.

Ocean Holidays was founded in 2004 by two sets of brothers: Daniel and David Ox and George and Harry Hastings, who are still very much active in the business today.

They set out selling holidays with no website, just a handful of staff and Teletext as their only form of marketing. From these humble beginnings, Ocean Holidays was created, and the company now consists of three unique and distinct travel brands.

Ocean Florida, the largest direct to consumer Florida specialist of its kind in Europe; personalised travel management company, Winged Boots which leads in luxury leisure followed by business travel; and Ocean Beds, the largest worldwide provider of Florida vacation home rentals to the global travel trade.

With Headquarters in Romford, and another in Davenport, Florida. Ocean Holidays continues to innovate and evolve within the travel industry.

In January 2023 Ocean Holidays were awarded the inaugural Employer of the Year award at the Travel Weekly Globes, followed by the Travel for All Award in January 2024, for its industry-leading accessibility programme.

As one of the UK’s fastest-growing travel companies, Ocean Holidays continue to provide an environment where its people can thrive, and where growth and great culture go hand-in-hand.

There are many benefits that you can expect in return for your dedication and your commitment to making our customer’s dreams come true:

• Discounted personal travel and a dedicated staff travel agent that will organise your holiday.
• Private Health Care after probation passed -WPA - discounted gym membership at Nuffield Fitness & Wellbeing Gyms and Fitness First, Spabreaks.com and Yourgolftravel etc.
• Profit Related Pay
• Flexible/remote/hybrid working to promote our culture of supporting work/life balance.
• An Employee Assistance Programme which provides confidential information, advice, and support 24 hours a day. This includes advice on health, relationships, money, career, retirement, and many other areas of support.
• Access to free professional financial advice
• Enhanced family-friendly policies
• One Ocean Forum – a group of employees representing the interests of all employees.
• Long service awards
• Honest, transparent, and two-way communication via regular newsletters and regular virtual and in-person Town Halls
• Cost of test and contribution towards glasses
• Life Insurance
• Additional holiday days based on length of service
• Christmas saving scheme.
• Day off on your birthday
• 2 x ‘Do the Right Thing’ days (dedicated charity days)
• Reward Gateway Employee discount platform that gives easy access to savings at hundreds of retailers
• Cycle to work scheme.
• Smart Tech after probation