Sentinel Blue

Systems Engineer

Sentinel Blue

full-time

Posted on:

Location Type: Remote

Location: United States

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Salary

💰 $90,000 - $120,000 per year

Tech Stack

About the role

  • Design, deploy, configure, and maintain secure, reliable systems across client and internal environments, including servers, endpoints, identity platforms, and cloud services.
  • Operate and support production systems by troubleshooting and resolving infrastructure, platform, and endpoint issues, collaborating and escalating as necessary to meet service and security expectations.
  • Review, validate, and maintain system configurations (e.g., identity and access management, logging and monitoring, encryption, network segmentation, endpoint protection, backup and recovery) to ensure alignment with security, operational, and compliance requirements.
  • Implement and maintain system hardening standards, configuration baselines, patching processes, and lifecycle management practices.
  • Contribute to the execution and continuous improvement of Platforms Team objectives, including system reliability, scalability, and sustainability.
  • Communicate clearly and effectively with technical and non-technical stakeholders via written and verbal channels to explain system behavior, proposed changes, risks, and remediation actions.
  • Develop and maintain accurate system documentation, diagrams, runbooks, and standard operating procedures that support operational consistency and audit readiness.
  • Support the development and maintenance of internal tooling, templates, and repeatable build processes to improve system consistency, efficiency, and security posture.

Requirements

  • U.S. citizenship – by nature of our work with the defense industry, all employees must be eligible for a Secret clearance.
  • 2–5 years of experience in systems engineering, systems administration, IT infrastructure, or a related technical role.
  • Hands-on experience managing Windows and/or Linux systems in professional environments.
  • Working knowledge of identity and access management, endpoint protection, logging and monitoring, vulnerability management, segmentation, and backup/recovery strategies.
  • Demonstrated ability to troubleshoot complex technical issues and implement reliable, well-documented solutions.
  • Strong written and verbal communication skills, including the ability to explain technical concepts to non-technical audiences.
  • Ability to work independently, manage multiple client tasks, and follow structured workflows to drive technical work to completion.
  • Proficiency with at least one scripting or programming language.
  • CompTIA Security+ certification is required in the first 6 months of hire.
Benefits
  • Fully paid individual healthcare, vision and dental insurance for the employee.
  • Paid certification and training opportunities.
  • Three weeks of paid vacation + 10 paid holidays.
  • A supportive environment with a focus on keeping healthy work-life balance.
  • Retirement benefit (401k) with company match.
Applicant Tracking System Keywords

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

Hard Skills & Tools
systems engineeringsystems administrationIT infrastructureWindows systems managementLinux systems managementidentity and access managementendpoint protectionlogging and monitoringvulnerability managementbackup and recovery
Soft Skills
troubleshootingwritten communicationverbal communicationindependent worktask managementstructured workflowstechnical explanation
Certifications
CompTIA Security+