Principal Software Engineer, MDR Platform

Harbor IT

Senior Software Engineer developing and maintaining core Golang applications for cybersecurity operations. Collaborating across teams and shaping architectural direction in a growing MDR platform.

Posted 7/17/2026full-timeRemote • 🇺🇸 United StatesLeadWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Golang application development, including idiomatic fluency and mastery of Go paradigms. Capable of making architectural decisions, mentoring team members, and implementing best practices for software development and deployment.

Highest-signal resume keywords

Golang DevelopmentArchitectural Decision-MakingCI/CD PipelinesMemory ManagementAutomated Testing

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

GolangGoroutine ManagementThread-Safe Data StructuresWorker Pool PatternsMemory ProfilingRedisOpenSearchSQL OptimizationGit Version ControlAutomated Testing

Soft Skills

MentoringCollaborationKnowledge Transfer

Tools & Technologies

Github ActionsDockerAWS ECSAWS EC2AI Assistant Tools

Certifications & Qualifications

Bachelor's Degree in Computer Science

Industry Keywords

Log AnalyticsSyslogMulti-Tenant ArchitectureNetworking ProtocolsApplication Security

Tech Stack

Tools & technologies

AWSCloudDockerEC2FirewallsGoRedisSQL

About the role

Key responsibilities & impact

Co-own and maintain multiple Golang applications forming the core of our MDR platform
Maintain and enhance a high-performance log analytics engine analyzing events from thousands of sources across hundreds of customers
Maintain and enhance programs that transform engine output into actionable intelligence for SOC analysts
Maintain and enhance a multi-tenant cluster of servers that receive, buffer, and feed syslog-formatted logs to the engine
Maintain and enhance a cross-platform syslog agent that feeds syslog-formatted logs to the engine
Build and maintain a cross-platform security agent that provides visibility into and secures customer endpoints and servers
Make architectural decisions for various applications supporting the business
Influence technical design discussions and code reviews
Mentor and guide other development team members
Facilitate knowledge transfer during any transitionary periods; assisting with training and hiring as needed
Develop and maintain internal SOPs and best practices for software development
Collaborate with cross-functional teams to define, design, and ship new features

Requirements

What you’ll need

6+ years of software engineering experience with at least 4+ years focused on Go development
Bachelor's degree in computer science or equivalent practical experience
Portfolio of delivered production systems and/or contributions to open-source projects
Idiomatic fluency in Golang and deep familiarity with the standard library and package ecosystem
Expertise in managing goroutine lifecycles and channel-based communication
Mandatory use of context for deadline management, timeouts, and structured cancellation
Implementation of thread-safe data structures and methods to manage shared state efficiently
Mastery of Go paradigms and constructs, including interfaces and generics to build modular code
Experience implementing worker pool patterns to manage resource-intensive tasks
Deep understanding of memory management, including minimizing heap allocation, runtime profiling to identify memory leaks, and pre-allocating buffer memory
Experience using Github Actions for continuous deployment of Docker containers on cloud infrastructure, i.e. AWS ECS or EC2 or equivalents
Deep proficiency in interfacing with Redis, OpenSearch or similar, and SQL databases; optimizing queries for performance and atomicity
Robust understanding of networking protocols, TLS, and firewalls, with practical experience implementing best practices at the application level
Proficiency with Git version control and CI/CD pipelines
Experience with automated testing, infrastructure monitoring, and observability practices
Experience leveraging AI assistant tools for software development, such as Claude Code

Benefits

Comp & perks

Comprehensive health benefits
Matching 401k
Reimbursement for approved tuition, certifications, conference attendance, and more
Unlimited PTO