Donnelley Financial Solutions (DFIN) · 1 day ago
Principal Site Reliability Engineer - Network (Remote)
United States
Full-time
Remote
Senior Level, Lead/Staff
5+ years expDonnelley Financial Solutions (DFIN) is a values-driven organization focused on delivering innovative software and service solutions for financial reporting and capital markets transactions. They are seeking a Principal Site Reliability Engineer – Network to ensure the networks in their SaaS products are fast, stable, secure, and optimized, while also promoting a culture of Site Reliability Engineering (SRE).
Cyber SecurityFinanceSoftware
Responsibilities
Champion and implement a culture of SRE to maintain a reliable and performant network infrastructure in DFIN SaaS products
Design and implement secure, redundant, fault-tolerant networks in DFIN SaaS products; you understand networking protocols and network elements and how they are integrated together to create resilient, fault-tolerant networks in SaaS products
Create and maintain network diagrams
Choose and configure common network elements in SaaS product network topologies including load balancers, firewalls, DNS, etc.; provision route tables and routing paths
Define, lead the implementation, and maintain SaaS product network monitoring and alerting to prevent client impacting issues and ensure network availability, performance and scalability to maintain SLOs and SLAs
Identify and remediate issues in SaaS product network infrastructure (high latency, timeouts, dropped connections, etc.) using diagnostic tooling and network traces; perform thorough Root Cause Analysis (RCA); drive vendor partners to provide strategic guidance and quality assurances by requiring immediate defect fixes, software updates, etc., as necessary to ensure an ideal customer experience
Serve as a senior escalation point for SaaS product network issues and collaborate with DFIN IT to integrate SaaS products into broader DFIN network topologies
Automate everything including system operational runbooks
Dive deep into technology and stay on the forefront of the latest network analysis tools, technologies, and strategies; help evaluate, prototype, and integrate them into work processes
Perform with broad independence and deliver on project milestones and tasks on schedule while communicating progress regularly
Build strong relationships with SRE team members and software engineering teams to hold each other accountable to expectations
Learn continuously and apply lessons learned
Evangelize best practices, eliminate bottlenecks, and improve process
Participate in on-call duties 365/24/7 and lead the triage and RCA of production incidents
Qualification
Required
Thorough understanding of common networking protocols including IP, TCP/IP, ICMP, DNS, DHCP, ARP, SSL, TLS and how to diagnose network issues by isolating problems at the protocol layer within specific network elements
Domain Network System Resolution expert
Firewall engineering - Strong experience configuring, troubleshooting and maintaining Palo Alto (self-hosted) firewalls including policies to diagnose traffic drops/blocks within the overall network fabric
Network traffic analysis - Strong experience with network capture tools (e.g. Wireshark) to diagnose and solve network latency and failure problems and ensure network throughput in complex network fabrics including firewalls and routers
SDWAN - Strong experience configuring, troubleshooting and maintaining Silverpeak SDWANs (self-hosted) including policies to diagnose traffic drops/blocks within the overall network fabric
5+ years experience with cloud (Azure) product network design and network element configuration including provisioning of routing tables and creating and maintaining network diagrams
5+ years experience monitoring and preventing issues in SaaS network topologies in the cloud (Azure)
5+ years experience as a global admin of cloud (Azure) including cloud cost management
5+ years experience writing scripts in PowerShell or Python/Bash to automate system operations as runbooks for Windows or Linux environments
5+ years experience supporting public client facing revenue generating systems
Strong DevOps focus and experience building and deploying Infrastructure as Code with Terraform or similar technology
Experience planning, coordinating, developing and executing all stages of post deployment verification test scripts
Experience securing Windows or Linux systems in 24x7 production environment
Experience with containerization and managing Kubernetes clusters (AKS or EKS)
BS in Computer Science or equivalent work experience
Benefits
Competitive compensation
Flexible workplace
Comprehensive benefits
Opportunities for professional growth
Company
Donnelley Financial Solutions (DFIN)
DFIN is the leading global provider of compliance and regulatory software and services, fueling end-to-end investment company regulatory compliance needs, complex capital markets transactions, and essential financial reporting at every stage of the corporate lifecycle.
1001-5000 employees
H1B Sponsorship
Donnelley Financial Solutions (DFIN) has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6)
2024 (3)
2023 (3)
2022 (6)
2021 (5)
2020 (7)
Funding
Current Stage
Late StageLeadership Team
Chris Benes
Head of Global Site Reliability Engineering
Recent News
2025-10-31
Company data provided by crunchbase