Job Closed
This listing is no longer active.
Empower. Automate. Elevate
Senior Linux, OCI Administrator – Oracle Linux, RHEL
Location
United States
Posted
112 days ago
Salary
$130K - $135K / year
Seniority
Senior
Job Description
Senior Linux, OCI Administrator – Oracle Linux, RHEL
Mitratech
• Administer and support Oracle Linux systems (patching, tuning, troubleshooting) • Manage OCI resources: compute, VCNs, subnets, routing, load balancers • Configure and maintain OCI security (IAM, NSGs, security lists, compartments) • Design and troubleshoot OCI networking and connectivity issues • Provision and manage infrastructure using Terraform (IaC) • Support SFTP and mail services (secure access, monitoring, troubleshooting) • Perform system monitoring, backup coordination, and DR support • Participate in production support, incidents, and on-call rotations • Maintain operational documentation and runbooks
Job Requirements
- 7+ years professional experience administering Linux in production (preferably Oracle Linux or closely related RHEL).
- Strong Hands-on experience with OCI administration (compute, networking, IAM, security)
- Experience supporting Oracle WebLogic Server
- Working knowledge of Oracle Database environments
- IaC & Automation: Deep proficiency with Terraform (modules, workspaces, remote state, testing) and Ansible (roles, collections, idempotency, vault).
- Systems Expertise:
- Kernel, systemd, SELinux/AppArmor, LVM/filesystems (xfs/ext4/btrfs), iSCSI/NFS, SSH/hardening.
- Package and patch management (yum/dnf, repo mirrors, Ksplice), vulnerability management, and baseline hardening (CIS/STIG).
- Solid understanding of Networking Fundamentals: TCP/IP, routing, DNS, DHCP, load balancing, proxies, firewalls/security groups, PKI/certificates (TLS).
- Scripting: Proficiency in Bash
- Experience with SFTP and SMTP/mail services
- Deployment Experience: Comfortable with both modern (immutable, pipelines, containers) and older practices (in‑place upgrades, change windows, maintenance runbooks).
- Troubleshooting: Proven ability to diagnose and resolve complex incidents across OS, network, and platform layers.
- Documentation & Communication: Clear written/verbal communication; ability to author design docs, runbooks, and RFCs.
Benefits
- Health, Dental & Vision Insurance
- 401 (k) + Employer Match
- Unlimited PTO + 11 Paid Holidays + 4 Annual Paid Global Wellness Days Off
- STD, LTD & Group Life Insurance
- Paid Parental Leave
- Pet Insurance
- FSA & HSA Options
- Employee Assistance Program
- Remote Work
- Career Advancement & Professional Development Opportunities
- Employee Recognition
- LinkedIn Learning Platform
Related Guides
Related Job Pages
More Full-stack Engineer Jobs
• Build, manage, and optimize paid campaigns across LinkedIn, Meta, Reddit, X, and Google Ads with a focus on pipeline outcomes—not vanity metrics • Use AI tooling (Claude, Clay) to automate audience building, creative variation, bid optimization, and performance analysis • Design and run structured experiments across channels, creatives, audiences, and landing pages—with clear hypotheses and measurable outcomes • Own reporting on ad spend efficiency, pipeline attribution, and conversion metrics; surface insights that change strategy, not just confirm it • Monitor platform changes, new ad formats, and algorithm shifts; adapt campaigns proactively rather than reactively • Build AI-powered workflows that support events, content generation, social media, and nurture programs • Create systems that connect campaign data, enrichment signals, and CRM to improve targeting and personalization across channels • Automate repeatable processes across the demand gen function—eliminating manual work while maintaining quality and control • Collaborate with teammates across field marketing, content, partner marketing, and sales enablement to deliver projects that serve the full pipeline • Help demand gen teammates build, troubleshoot, and improve their own AI-powered projects—working alongside them, not just for them • Contribute reusable templates, prompts, and workflows that raise the team’s technical capabilities over time • Share what’s working (and what isn’t) openly; build a culture where the whole team gets better at GTM engineering, not just the GTM engineers
• Lead and manage infrastructure engineering personnel • Provide technical leadership, direction, prioritization, coaching, and performance management • Serve as the technical liaison between MICRO and parent company IT teams • Provide infrastructure, security, performance, and stability reporting to upper management • Support product and engineering teams across Accu-Trac, ProControl, and Stocker1 with infrastructure planning and technical strategy • Contribute to business continuity, disaster recovery, backup, and resiliency planning • Provide leadership and architectural oversight for Linux and Windows infrastructure environments
• Design and implement scalable, secure cloud solutions (AWS GovCloud / Azure) • Develop and manage AI/LLM solutions (RAG pipelines, agent-based workflows) • Define and enforce architecture standards, review gates, and best practices • Integrate systems across modern and legacy interfaces (REST, APIs, SOAP, data feeds) • Implement event-driven architectures and workflow orchestration • Establish AI guardrails, including prompt security and risk mitigation • Collaborate with product, data, and engineering teams to deliver MVP and scale solutions • Support technical training and knowledge transfer to government stakeholders
Full Stack Developer – Platform, Multi-Tenant Systems
Gugu RoboticsThe Future is Now; Beyond Boundaries, Beyond Imagination
• Build and maintain frontend applications using Next.js 14+ (TypeScript) with multi-tenant routing • Develop backend services using Node.js (TypeScript) deployed via AWS Lambda • Ensure strong type safety and consistency across the full stack • Contribute to scalable, maintainable architecture across distributed systems • Design and maintain a dedicated integration layer using AWS Lambda + SQS • Integrate external platforms (e.g., gym systems, CFMS, Speedy Sticks, CommunityCare) • Implement retry logic, failure handling, and system resilience • Maintain clear separation between integration services and application APIs • AWS API Gateway in front of the integration layer Lambdas provides throttling, request validation, and API key management across third-party service endpoints • Treat AI-assisted development (e.g., Cursor, GitHub Copilot, or similar tools) as a baseline capability • Apply thoughtful prompt engineering and structured workflows to produce reliable, maintainable code • Use AI tools across the development lifecycle, including design, implementation, testing, and documentation • Stay current with the evolving AI tooling landscape and adopt practices that improve developer productivity • Build and maintain infrastructure using AWS Lambda, SQS, IAM, Cognito, Amplify, and RDS • Deploy frontend applications via AWS Amplify, Fargate or similar • Design systems that are scalable, cost-efficient, and operationally simple • Work with PostgreSQL (AWS RDS) using relational modeling • Implement row-level security for multi-tenant data isolation • Manage authentication and authorization using AWS Cognito (RBAC, JWT scoping) • Implement file storage using AWS S3 (e.g., lab results, CSV uploads) • Build notification workflows using AWS SES • Integrate and maintain payment systems using Stripe • Implement polling-based updates (30-second intervals) for journey tracking • Design user experiences that feel real-time while avoiding unnecessary infrastructure complexity • Own release cuts, including PR reviews and deployment coordination • Manage environment configurations, secrets, and package upgrades • Debug and resolve complex system and integration issues • Build proofs of concept (POCs) to validate new features and approaches • Lead or support Agile ceremonies (standups, sprint planning, retrospectives) • Partner with Product Managers to refine and deliver epics and requirements • Act as a technical point of contact within the pod and across collaborating teams • Provide guidance and context to teammates to support delivery and quality




