About Exegy
Exegy is a global leader in intelligent market data, advanced trading systems, and future-proof technology. Exegy serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, Exegy has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants.
Job Summary
We are seeking an experienced System Engineer to join our Managed Services Engineering (MSE) team in St. Louis, MO. You will be our lead specialist in Linux systems, bare-metal provisioning, and infrastructure networking, building and maintaining the automation that turns bare-metal servers into production-ready platforms.
You will own our automated OS provisioning workflows, configuration management frameworks, Linux networking and routing services, and hardware validation tooling, and serve as a senior escalation resource for deployment and operations teams.
Responsibilities
Bare-Metal Provisioning & OS Lifecycle: Design, maintain, and evolve automated provisioning workflows, including network boot environments, live boot images, and unattended Linux installations. Lead OS lifecycle work such as package and repository management, service administration, and platform upgrades
Configuration Management & Automation: Build and maintain Puppet and Ansible automation, including custom modules, manifests, data hierarchies, and backend data stores
Provisioning Tooling: Develop and support Python and Bash applications and scripts for preboot staging, hardware discovery, and automated hardware validation
Linux Networking, Routing & Security: Administer, troubleshoot, and modernize Linux network services, including dynamic routing, VPN, proxy services, and SSL/TLS certificate lifecycle management
Server Hardware Validation: Define and validate Bills of Materials (BOMs) for enterprise server platforms, manage out-of-band configuration, and resolve hardware discrepancies during bring-up
Technical Escalation: Act as the escalation point for deployment and support teams on provisioning failures, hardware mismatches, and complex Linux networking and routing issues
Required Qualifications
Enterprise Linux (5+ years): Senior-level systems engineering experience on RHEL and Rocky Linux 9/10. RHCSA or RHCE certification is a strong plus
Configuration Management: Hands-on experience with Puppet (modules, manifests, Hiera, Facter, Ruby) and Ansible
Bare-Metal Provisioning: Practical experience with PXE/iPXE, live boot image generation (dracut/initramfs), unattended installers (Anaconda/Kickstart), and provisioning tools such as Razor or Foreman
Python & Bash: Proficiency in systems automation, CLI tooling, REST API integration, and structured data formats (JSON, YAML)
Databases: Experience with NoSQL and relational databases (such as CouchDB and PostgreSQL) that store infrastructure and configuration data
Linux Networking & Routing: Deep knowledge of IP networking, NIC bonding, VLANs, multiple routing tables, policy-based routing (ip rule/ip route), firewalling (iptables/nftables), and packet analysis (tcpdump)
VPN, Proxy & Routing Daemons: Experience configuring and troubleshooting OpenVPN, SSL/TLS certificates (OpenSSL/PKI), proxy services (such as Squid), and routing daemons (such as BIRD)
Linux Troubleshooting: Strong command of systemd, dnf/yum/rpm, storage and filesystems, and diagnostic tools (journalctl, strace, lsof, ss, dmesg)
Hardware & Out-of-Band Management: Familiarity with enterprise server hardware (Dell, Intel, AMD), BOM verification, and lights-out management tools (iDRAC, IPMI, RACADM, Redfish)
Collaboration: Proficiency with Git, clear technical documentation, and effective communication across engineering and deployment teams
Preferred Qualifications
Containers & Virtualization: Experience with Docker and virtual machine or hypervisor environments
Observability & Service Management: Familiarity with Telegraf, Prometheus, and Grafana, and with ServiceNow and Jira
Skills Required
- 5+ years of senior-level enterprise systems engineering experience with RHEL and Rocky Linux 9/10
- Hands-on experience with Puppet, including modules, manifests, Hiera, Facter, and Ruby
- Hands-on experience with Ansible
- Experience with PXE/iPXE, live boot image generation using dracut/initramfs, Anaconda/Kickstart, and Razor or Foreman
- Proficiency in Python and Bash for systems automation, CLI tooling, REST API integration, JSON, and YAML
- Experience with NoSQL and relational databases, such as CouchDB and PostgreSQL
- Deep knowledge of Linux networking, NIC bonding, VLANs, routing tables, policy-based routing, firewalling, and tcpdump
- Experience with OpenVPN, SSL/TLS certificates, OpenSSL/PKI, proxy services such as Squid, and routing daemons such as BIRD
- Strong Linux troubleshooting skills with systemd, dnf/yum/rpm, storage, filesystems, journalctl, strace, lsof, ss, and dmesg
- Familiarity with enterprise server hardware, BOM verification, and iDRAC, IPMI, RACADM, or Redfish
- Proficiency with Git, technical documentation, and cross-team communication
- RHCSA or RHCE certification
- Experience with Docker and virtual machine or hypervisor environments
- Familiarity with Telegraf, Prometheus, Grafana, ServiceNow, and Jira
What We Do
Exegy provides ultra-high performance, hardware-accelerated computing appliances that process market data for financial organizations. Exegy is the established leader in providing real-time market data solutions with an unparalleled combination of speed, capacity, features, and service. Today Exegy serves as a strategic partner to leading principal traders, agency brokers, exchanges, Alternative Trading System (ATS) and dark pool operators, market makers, hedge funds, and asset managers. Guided by these strategic relationships, Exegy has expanded their offerings to include historical market data solutions that deliver essential testing, analysis, and compliance capabilities to data-driven, automated trading strategies. In addition, Exegy’s investments in Artificial Intelligence (AI) and Machine Learning (ML) drive Signum – a game-changing portfolio of predictive trading signals that are delivered in real-time, synchronously with low-latency market data. Learn more about the Signum portfolio of real-time trading signals at exegy-signum.com. At the heart of Exegy solutions are purpose-built, hardware-accelerated appliances derived from an extensive portfolio of patented and patent-pending technology. All solutions are delivered as a fully managed service backed by a global team of experts and state-of-the-art infrastructure. Exegy delivers a premium user experience from its regional offices in New York, London, and Hong Kong, as well as its 24/7 operations center at its St. Louis headquarters. Exegy promotes the design of robust electronic markets through its MarketDataPeaks service that reports real-time market data feed rates.
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