Hamilton Barnes ?

Overview We are looking for a seasoned Senior / Staff Network Security Engineer to spearhead our security strategy and defend our fast-growing cloud platform. You will design and deploy advanced safeguards concentrated on the network perimeter, ensuring our edge remains secure, resilient, and reliable at massive scale. Operating in a high-throughput environment, you'll keep our infrastructure and services protected while earning trust across the organization. Responsibilities Architect and deploy resilient protections at the network edge Create and maintain sophisticated DDoS-defense programs that preserve uptime. Lead the rollout of a Zero-Trust model across Fluidstack's cloud and network domains. Stand up comprehensive network-security monitoring to surface threats early. Collaborate closely with Networking, Infrastructure, SRE/DevOps, and Software Engineering to embed security best practices into designs, deployments, and pipelines. Champion security initiatives and cultivate a security-first culture. Coach junior engineers and peer teams on network-security fundamentals, deliver training, and model strict adherence to policies and standards. Author, refine, and enforce security policies and SOPs suited to a highly scalable, distributed environment. Required Skills 5+ years in hands-on network-security engineering, protecting large-scale cloud or hyperscale environments and complex distributed systems. Deep expertise in edge-protection technologies - DDoS mitigation, web-exploit defense, and Zero-Trust implementations Strong conceptual and practical command of modern cloud and network security. Proficient in protocols (TCP/IP, DNS, BGP, HTTP/S), segmentation, VPNs, and firewall tuning; experienced securing AWS, GCP, Azure, or bespoke hyperscale and containerized platforms. Excellent at partnering with Networking, Infrastructure, DevOps/SRE, and Software groups to craft security solutions that protect critical assets while empowering the business. Skilled in crafting and evaluating security controls for massively scalable systems, and familiar with frameworks such as NIST, ISO 27001, and SOC 2 in cloud contexts. Seniority level Mid-Senior level Employment type Full-time Job function Information Technology Industries IT Services and IT Consulting

Job Title: Cellular Deployment Engineer Location: US Remote Quarterly visits to San Francisco Occasional travel for site troubleshooting Salary Range: $109,000 - $186,000 base per annum Additional Compensation: Equity with standard vesting + Comprehensive Healthcare About the Company Our client is a disruptive force in the networking and hardware infrastructure sector, currently executing a massive global expansion and hiring over 100 elite professionals worldwide. They are reinventing enterprise connectivity by building proprietary switches and network hardware in-house. This is a high-growth, engineering-first environment where the best of the best come to solve complex infrastructure challenges. Because they are building their own licensed spectrum products on top of premium cellular infrastructure, you will be part of an elite team that is ahead of the curve in the networking space. Why This Role Will Benefit Your Career Exclusive Access to Ericsson Hardware: You will be hands on with top tier Ericsson DOT solutions and 66 series basebands. Usually, this level of provisioning and configuration access is restricted to Ericsson internal staff. By mastering this equipment here, you become an incredibly rare and valuable specialist in the global market. Direct Impact on Product Scalability: You aren't just maintaining a network; you are influencing the deployment speed and quality of a new product line. Your troubleshooting and provisioning work directly affects how the company's proprietary switches and cellular hardware interact in the real world. Rapid Progression and Internal Growth: With 100+ global hires currently underway, the organization is scaling at speed. They have a firm policy of looking to promote internally first, meaning your path from deployment engineer into senior architecture or leadership is wide open. Work with the Top 1%: You will be surrounded by hand picked engineers from the most prestigious networking and cellular backgrounds. This is a high performance culture where excellence is expected and rewarded. Your Responsibilities As a key member of the specialist cellular engineering team, you will own the hands on deployment and troubleshooting of licensed spectrum products. Provision and configure Ericsson cellular hardware and baseband systems, including the 66 series. Work directly with Ericsson DOT solutions, including Integrated Radio Units (IRUs). Support the entire deployment lifecycle, moving systems from lab environments to live production sites. Execute on site troubleshooting and RF issue resolution to ensure peak network performance. Collaborate closely with the design and product teams to refine deployment processes and documentation. What You Bring to the Team We are looking for a technically rigorous deployment specialist who can operate with a high degree of autonomy. Strong hands on experience: You must have a background in Ericsson cellular provisioning. Technical depth: Proven experience working with Ericsson 66 series basebands and DOT solutions. Professional pedigree: You likely come from a background at Ericsson, a major mobile network operator, or a high level carrier deployment contractor. Independent mindset: You enjoy owning problems end to end and can manage deployment tasks with minimal oversight. Communication skills: The ability to document complex processes and collaborate across remote teams is essential. In addition to the high base salary and equity, the company is committed to your long term professional value. You will receive fully paid certifications to keep your skills at the cutting edge of the cellular industry, alongside premium healthcare coverage and a flexible, remote first working model. Apply Now