Senior Engineering Manager, Horizon3
Cloud Platform
$240-290k
+ Stock options
More information about location
Autonomous security solutions
Be an early applicant
Autonomous security solutions
201-500 employees
Be an early applicant
$240-290k
+ Stock options
More information about location
201-500 employees
Company mission
To help find and fix attack vectors before attackers can exploit them.
Role
Who you are
- Demonstrated experience leading teams operating SaaS service infrastructure
- Deep hands-on experience deploying and operating production infrastructure on public cloud platforms (AWS strongly preferred; Azure and GCP familiarity a plus)
- Strong command of Infrastructure as Code, including Terraform; experience with Crossplane and GitOps patterns strongly preferred
- Experience managing production Kubernetes environments at scale
- Solid understanding of security best practices including zero trust architecture, secrets management, identity and access management, and software supply chain security
- Experience building and operating self-service infrastructure platforms that enable application development teams, while balancing self-service and developer productivity with maintainability and security
- Experience leading or building SRE functions, including incident management processes, on-call programs, SLO/SLA definition, and operational runbooks
- Deep hands on experience with observability: application performance management, logs and traces, and golden signals and service-specific metrics
- Expert in leading infrastructure teams to translate business and product requirements into technical requirements and engineering deliverables. Demonstrated ability to drive a design-before-build engineering culture and capture operational lifecycle and impact on dependent teams into infrastructure architecture decisions
- Experience in design practices like architecture decision records or RFCs in the infrastructure or platform engineering context
- Proven track record of driving engineering rigor through coaching, design reviews, and feedback. Track record of growing engineers from strong individual contributors to system-level thinkers
- Proven ability to hire, develop, and retain high-performing engineers and engineering managers in remote or distributed environments
- Proven skills in managing a backlog of strategic roadmap initiatives and a competing stream of developer support and operational requests against capacity constraints
- Strong communication skills across technical and non-technical audiences
- Proven ability to to build, scale, and retain high performing engineering teams in remote or distributed environments
What the job involves
- We are looking for an engineering leader to lead Horizon3’s infrastructure platform team. Our platform team is building capabilities for product development teams to be able to rapidly launch new product features, by providing self-service environments and infrastructure
- This leader will also be chartered to establish a Site Reliability function to define and drive investments in operational excellence to ensure Horizon3’s product and service offerings meet customer and business expectations
- Lead software engineering teams providing infrastructure-as-code to manage cloud infrastructure. Provide high quality IaC components and frameworks to support application development teams to leverage and extend to self-service their infrastructure provisioning
- Establish governance and mechanisms for application development teams to self-service infrastructure provisioning, while providing for best practices and controls
- Provide documentation, training, and support to ensure feature dev teams are leveraging self-service capabilities
- Hire experienced site reliability staff, and a line manager to grow and oversee the SRE team
- Professionalize incident management. Define and document incident processes and practices for your SRE team and for the application feature teams. Make tool and vendor decisions to support processes
- Drive incident professionalism across the engineering organization through training and process adoption
- Establish design-before-build discipline. Facilitate lightweight design documents, architectural decision records, and working group reviews. Outline operational lifecycles, “Day 2” concerns, and developer experience as part of infrastructure architecture decisions
- Use design reviews, code reviews, and blameless retrospectives to drive a culture of quality and excellence in engineering
- Balance providing developer support while also executing on a roadmap of infrastructure engineering initiatives. Establish intake, allocate resources, provide visibility into backlogs to stakeholders, and manage prioritization against capacity
- Directly manage a growing team of infrastructure engineers. Hire and develop line managers and staff / principal engineers. Ensure a strong bench of technical and leadership talent in your group. As a Manager, you will be responsible for:
- Recruiting and onboarding talented individuals to support our organizational goals
- Mentoring, coaching, equipping, and developing your team
- Recognizing and retaining high performers
- Leading horizontally with peer Management & Senior Leaders
Our take
In an era marked by escalating cyber threats and data breaches, safeguarding digital assets has become a high priority across all industries. Amid this landscape, Horizon3.ai stands out as an autonomous security solution by addressing the critical need for robust cybersecurity.
At the heart of Horizon3.ai's mission is NodeZero™, a platform designed to elevate proactive security measures. Using this, customers can verify their security posture and identify potential vulnerabilities through self-service. This proactive approach to cybersecurity effectively thwarts potential exploits and ensures the integrity of their digital infrastructure.
With 2025 funding in hand, the company is poised to further its ambition to develop into an industry-leading cybersecurity company. The infusion of funds will be channelled towards expanding its partner network, refining its offerings and entering the US government market. Horizon3 aims to establish itself as a pivotal player in the evolving autonomous security landscape, a highly lucrative market valued at $80 billion.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
-8% employee growth in 12 months
Company
Funding (last 2 of 6 rounds)
Jun 2025
$100m
SERIES D
Aug 2023
$40m
SERIES C
Total funding: $187m
Company benefits
- Growth Opportunities: Be part of a dynamic and growing team with numerous career advancement opportunities
- Innovation-Driven Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking
- Flexible Work Environment: Enjoy the convenience and work-life balance that comes with remote work
- Inclusive and Diverse Team: We value diversity and promote an inclusive culture where everyone can thrive
Company HQ
SoMa, San Francisco, CA
Leadership
Snehal Antani
(Co-Founder & CEO)Graduated from the Rensselaer Polytechnic Institute with an MS in Computer Science. Previously worked at IBM as a Lead Architect, at GE Capital as the CIO of Distribution Finance and Splunk as the SVP & GM of Business Analytics & IoT.
Anthony Pillitiere
(Co-Founder)Graduated from the University of Maryland with a Bachelor's Degree in Computer Systems Networking and Telecommunications. Previously worked at the United States Air Force in multiple roles, including Deputy Chief Technology Officer.
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