Cloud​/PreSales Engineer AWS, Docker, Docker Swarm

Overview

We are looking for a technically capable and detail-oriented Engineer to join our sales and support team for a well-known Security Integrator. You will be responsible for supporting cloud-hosted systems on AWS, with a strong focus on containerized environments using Docker and Docker Swarm.

Our systems provide critical infrastructure for physical and electronic security solutions, so reliability, responsiveness, and attention to detail are essential. You’ll work closely with development, security, and infrastructure teams to ensure uptime, resilience, and ongoing improvement of our platform.

• Provide support for cloud-hosted production and staging environments used in electronic security platforms.
• Monitor, maintain, and troubleshoot distributed containerized services using Docker and Docker Swarm.
• Respond to and resolve incidents, working to minimize downtime and ensure high system availability.
• Investigate system performance, log anomalies, and service issues, escalating when appropriate.
• Collaborate with Dev Ops and software engineering teams to implement improvements and automation.
• Maintain thorough documentation of system configurations, processes, and known issues.
• Assist in system upgrades, patching, and performance tuning.
• Support security compliance and auditing activities where applicable.
• Participate in an on-call support rotation.

• 2+ years of experience in a technical support, Dev Ops, or infrastructure engineering role.
• Strong hands-on experience with Docker and Docker Swarm in a production environment.
• Proficiency with core AWS services: EC2, S3, Cloud Watch, IAM, ELB, ECS/ Fargate, and RDS.
• Solid understanding of Linux server environments, command-line operations, and scripting.
• Experience in supporting real-time or mission-critical systems (security, IoT, or similar sectors).
• Familiarity with log aggregation, monitoring, and alerting tools (e.g., ELK, Prometheus, Grafana).
• Good understanding of networking, VPNs, load balancing, DNS, and firewalls.
• Comfortable with Git and CI/CD workflows.
• Excellent troubleshooting skills and structured problem-solving approach.
• Strong written and verbal communication skills.

• Experience with Microsoft Azure cloud services.
• Background or familiarity with electronic security systems, access control, or surveillance technology.
• Exposure to Infrastructure as Code tools (e.g., Terraform, Cloud Formation).
• Knowledge of container security and cloud compliance best practices.
• Experience with scripting languages (e.g., Python, Bash, Power Shell).
• Understanding of security certifications or industry compliance (e.g., ISO 27001, SOC
  2) is a plus.
• Experience with Kubernetes or Open Shift for container orchestration.
• Familiarity with CI/CD pipelines and automation tools (e.g., Git Hub Actions, Jenkins).
• Exposure to monitoring tools like Prometheus, Grafana, or ELK stack.
• Experience supporting enterprise customers in a B2B SaaS or software product company.
• Experience with access control and intrusion detection systems.
• Familiarity with virtualization technologies (e.g., VMware, Hyper-V).
• Knowledge of database systems (e.g., Postgre
  
  SQL, MS SQL).
• Relevant industry certifications (e.g., CompTIA Network+, Security+, CCNA).
• Experience providing technical training to end-users.

• Experience:
• 3+ years in a technical support, Dev Ops, or systems engineering role.
• Hands-on experience with Docker, docker-compose, and container lifecycle management.
• Experience supporting or integrating MinIO or similar S3-compatible object storage.

• Familiarity with advanced networking concepts and protocols (TCP/IP, DNS, DHCP, VLANs, routing, proxies, firewall configuration, etc.).
• Strong Ubuntu Linux system administration and troubleshooting skills.
• Proficient in working with CLI tools and analyzing logs.
• Experience with storage solutions, volume mounts, and container data persistence.

• Excellent communication skills for dealing with technical and non-technical users.
• Problem-solving mindset with attention to detail.
• Excellent troubleshooting and problem-solving skills with a logical and methodical approach.
• Ability to manage multiple priorities and respond promptly to issues.

Mayflower is acting as an Employment Agency in relation to this vacancy.

• Mid-Senior level

• Full-time

• Consulting

• IT Services and IT Consulting

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London, England, United Kingdom 2 weeks ago