Senior/Staff DevOps Engineer

Twenty Technologies, Inc

• $130K — $155K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in AWS infrastructure administration and application operation.
  • Proficient in using Terraform for single-tenant and multi-tenant systems management.
  • Strong practical knowledge of IP networking, network security, and PKI management.
  • Background in DevOps, Site Reliability Engineering, or Platform Engineering.

Responsibilities

  • Design and operate AWS-based infrastructure for application support.
  • Implement Infrastructure-as-Code using Terraform.
  • Automate deployment and environment management with tools like Ansible.
  • Manage and evolve CI/CD pipelines to enhance deployment efficiency.
  • Design and refine observability solutions, including metrics and alerting.
  • Collaborate with application teams on architecture and performance optimizations.
  • Contribute to security governance through robust IAM policies and security measures.

Benefits

  • Comprehensive health benefits including medical, dental, and vision options.
  • Generous paid parental leave covering various family needs.
  • Flexible PTO policy allowing employees to take needed time off.
  • 401(k) retirement plan with pre-tax and Roth options, along with HSA/FSA choices.
Full Job Description
Role Summary

We are seeking a Senior/Staff DevOps for an in-office position in our Arlington, VA office focused on infrastructure and reliability to help design, build, and operate our application platform. This position is at the crossroads of software engineering, operations, and security. You will own core AWS infrastructure, drive observability and reliability improvements, and collaborate closely with product and backend teams. Common backgrounds for this role include DevOps Engineer, SRE, Platform Engineer, or Backend Engineer (Infrastructure).

What You'll Do
  • Design, build, and operate AWS-based infrastructure.
  • Implement and maintain Infrastructure-as-Code for single-tenant and multi-tenant environments using Terraform.
  • Build and maintain deployment and environment automation (Ansible or similar).
  • Own and evolve CI/CD pipelines.
  • Design, implement, and refine observability: metrics, logs, traces, dashboards, and alerting.
  • Partner with application teams on architecture decisions, performance tuning, and operational readiness.
  • Contribute to security and governance: IAM policies, network security, secrets management, and security scanning.
  • Document systems, patterns, and runbooks so others can operate and extend the platform reliably.


Must Have
  • Experience administering infrastructure and operating applications deployed on AWS.
  • Experience using Terraform to manage single-tenant and multi-tenant systems.
  • Strong instincts and practical experience with:
    • IP networking (VPCs, routing, subnets, proxies, DNS).
    • Network security (security groups, NACLs, firewalls).
    • PKI management (TLS certificates, CAs, mTLS, certificate lifecycle).


Nice to Have
  • Experience with Ansible or another deployment automation/configuration management framework.
  • Experience with GitHub Actions or another CI/CD platform (GitLab CI/CD, CircleCI, etc.).
  • Experience working on reliability projects, such as:
    • Setting up alert management tools and on-call practices.
    • Debugging failures in distributed systems.
  • Experience setting up observability and operations programs, including:
    • Collecting and representing telemetry in Grafana (dashboards, panels, alerts).
    • Instrumenting applications using OpenTelemetry or other log/metric/trace aggregation frameworks.
  • Experience managing PostgreSQL databases in production (backups, migrations, performance, monitoring).
  • Experience managing a pub/sub or queue technology, such as NATS, RabbitMQ, Kafka, AWS SQS, or Google Pub/Sub.
  • Familiarity with secrets management (AWS SSM/Secrets Manager, Vault, or similar).


Nice to Have
  • Experience or strong interest in cybersecurity (threat modeling, hardening, secure defaults).
  • Proficiency in Python or another scripting language for tooling and automation.
  • Experience operating a security scanning tool, such as Trivy (or similar vulnerability/container scanners).
  • Experience or interest working with large datasets (performance, storage trade-offs, retention policies).
  • Experience managing graph databases, such as Neo4j, AWS Neptune, or similar.
  • Experience designing or contributing to runbooks and internal platform documentation for non-infrastructure teams.


Benefits
What's on the table:
  • Health. Medical, dental, and vision plan options. Life / AD&D, disability coverage options.
  • Family. Paid parental leave for eligible full-time employees. 12 weeks for birthing parents, 4 for non-birthing parents, 6 weeks for adoptive, foster, or intended parents through surrogacy.
  • Vacation. Paid holidays and flexible PTO. Take what you need.
  • Retirement. 401(k) with pre-tax and Roth options. HSA/FSA options, dependent care FSA.

Benefits vary by location, role, and eligibility. Full plan details provided during the interview and offer process.

If this role sounds like you, apply and share with us your interest

Due to U.S. government contract and security requirements, this role is limited to U.S. citizens. Some positions may also require eligibility to obtain and maintain a U.S. Government security clearance. Any active clearance requirement will be listed in the role description.

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