Senior Systems Engineer
First Orion
full-time
Posted on:
Location Type: Remote
Location: Remote • 🇺🇸 United States
Visit company websiteJob Level
Senior
Tech Stack
AWSDistributed SystemsLinuxSDLC
About the role
- Define and evolve a pragmatic technical roadmap that delivers incremental, high-impact improvements
- Deliver solutions to customer and internal feature requests
- Anticipate platform limitations and mitigate them within budget/resource constraints
- Turn complex challenges into simple, scalable solutions
- Balance the best solution with the decision that solves the problem, makes the delivery date and fits with long-term platform goals
- Identify organizational alignment gaps and resolve them effectively
- Prepare and defend issues with Root Cause Analyses (RCAs) and technical solution plans
- Act as a primary technical communicator with customers and vendors
- Mentor and grow engineers, with a focus on knowledge transfer to junior teammates
- Establish shared priorities, clear ownership, and accountability
- Structure teams effectively, knowing when lean execution is best
- Manage life cycle times and drive end-to-end planning from the core platform to operational deployment
- Ensure strong SDLC integration across product, development, ops, and support
- Make tough technical decisions and take accountability for outcomes
- Gain deep knowledge of T-Mobile’s end-to-end architecture; partner with Operations, Tier 3 support, and Development
- Own vendor interface documentation
- Lead test system flows, tooling, and capacity reporting
- Oversee lab environments across (including those on customer premise)
- Own data/access security (retention policies, TMO network access, AWS data paths)
- Forecast hardware needs, manage budgets, and write vendor specifications
- Act as the final escalation point (T3/T4) for complex technical issues
- Form hypotheses quickly and iterate, confident in being wrong before being right
- Relentlessly drive issues to resolution
- Balance smart delegation with stepping in when only you can solve it
- Strong day-to-day fluency in Linux/bash
- Earn and maintain the trust of TMO engineering and external partners
- Back up customer-facing teams by answering hard technical questions
- Deliver consistently on commitments with quality and timeliness
- Take calculated risks that move FO forward.
Requirements
- 10+ years building and operating large-scale, distributed, carrier-grade or network-centric systems
- Deep understanding of carrier-grade platforms; ability to quickly master T-Mobile’s end-to-end architecture
- Background in Titan.ium platform and architecture - preferred
- Strong expertise in SIP/HTTP, distributed systems, and scaling architectures
- Proven experience in capacity planning
- Track record of incident leadership (RCA authoring, on-call ownership, executive communication)
- Strong background in data and access security, including retention and auditability
- AWS familiarity for backend data access and platform services
- Experience with lab ownership, hardware planning, and vendor specification writing
- Excellent written and verbal communication skills across executive, peer, and engineering audiences
- Demonstrated ability to mentor engineers, simplify complexity, and shorten delivery cycle times
- Relentless follow-through and a high bias for action.
Benefits
- open PTO
- company paid holidays
- Flex Fridays
- flexible work arrangements
- generous health and dental/vision options
- retirement plans
- learning and development programs
- career path frameworks
- tuition reimbursement
- company options
- bonus potential
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
LinuxbashSIPHTTPdistributed systemscapacity planningdata securityaccess securityAWSTitan.ium
Soft skills
technical communicationmentoringproblem-solvingorganizational alignmentaccountabilitydelegationincident leadershipwritten communicationverbal communicationbias for action