Senior Linux Systems Engineer – Infrastructure & Operations

🔥 0 minutes ago

🇺🇸 United States – Remote

💵 $100k - $137k / year

⏰ Full Time

🟠 Senior

👷 Infrastructure Engineer

👻 Ghost score 0%

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Nationwide IT Services, Inc.

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2006

💼 Consulting

🏥 Healthcare

📦 Logistics

Consulting • Healthcare • Logistics

Nationwide IT Services, Inc. is a company that delivers high-quality IT solutions focused on empowering federal agencies and clients through innovative technologies. Their service offerings include AI application, data analytics, cloud services, digital services, cybersecurity, enterprise IT, and software development. By integrating advanced technologies such as machine learning and blockchain, they aim to enhance operational efficiency, modernize client systems, and provide comprehensive support aligned with their clients' missions.

📋 Description

• Administer, maintain, troubleshoot, and support Linux-based production, development, test, and supporting infrastructure • Investigate system and application problems using logs, configuration, monitoring data, network behavior, application code, database activity, and other evidence • Perform root-cause analysis and drive technical problems toward resolution • Resolve issues directly or escalate them to software developers, network engineers, security personnel, or other specialists • Perform Linux maintenance, patching, configuration, software installation, service management, performance troubleshooting, and operational support • Support system security and hardening, including vulnerability remediation, access controls, host firewalls, security configuration, and compliance changes • Use and maintain automation and configuration-management capabilities • Monitor system health, investigate alerts, determine monitoring needs, and create or modify monitoring checks • Support relational databases operationally, including installation/configuration, connectivity, access, basic SQL queries, and troubleshooting • Support messaging and event-driven infrastructure • Read application and automation code to trace logic, identify relevant processes, test components, and communicate findings to developers • Develop or modify scripts and lightweight automation for administration, troubleshooting, monitoring, and operations • Troubleshoot connectivity and system communication issues using networking fundamentals • Collaborate with systems, software development, networking, security, and scientific operations staff • Document technical findings, configurations, troubleshooting steps, and operational procedures • Support mission-critical scientific systems and infrastructure for the U.S. Geological Survey

🎯 Requirements

• Strong hands-on Linux systems administration experience, preferably in enterprise or production environments • Demonstrated ability to independently troubleshoot complex technical problems and perform root-cause analysis • Strong understanding of Linux services, processes, logs, filesystems, permissions, packages, configuration, and general system operations • Experience performing system maintenance, patching, configuration, troubleshooting, and operational support • Experience using monitoring and logging information to investigate system or application behavior • Hands-on scripting or automation experience • Ability to read and follow application or automation code sufficiently to support troubleshooting and communicate with software developers • Working knowledge of networking fundamentals, including TCP/IP, DNS, ports and protocols, routing concepts, firewalls, and connectivity troubleshooting • Practical familiarity with relational databases, including database installation/configuration, connectivity, basic administration, and SQL queries • Familiarity with system security concepts such as patching, access controls, host firewalls, vulnerability remediation, and secure system configuration • Ability and willingness to investigate unfamiliar technologies across technical domains • Ability to communicate technical findings clearly and work collaboratively with specialists • High school diploma or equivalent • Must reside and perform work within the United States • Must be able to complete Government Public Trust suitability requirements and obtain and maintain required Government credentials, including a PIV card • Must maintain a work schedule beginning between 8:00 a.m. and 9:00 a.m. Pacific Time, regardless of U.S. location • Approximately 5 or more years of relevant hands-on experience is preferred; equivalent technical depth and experience may be considered • Experience with RHEL, Rocky Linux, or similar enterprise Linux distributions • Experience with Python, Bash, or other scripting/programming languages • PostgreSQL administration and troubleshooting • Ansible or comparable configuration-management and automation technologies • Nagios monitoring checks or plugins • Prometheus and Grafana or comparable metrics and visualization platforms • NATS, ActiveMQ, RabbitMQ, Kafka, or similar messaging technologies • SELinux and Linux host firewall configuration • DISA STIGs, FISMA, vulnerability remediation, or Federal/regulated environments • AWS or other cloud infrastructure • CI/CD pipelines and automated deployment processes • Git/GitLab and source-control-based operational workflows • Experience supporting distributed systems • Additional networking experience beyond basic systems-administration networking knowledge

🏖️ Benefits

• Medical, dental, and vision insurance • Life and disability insurance • 401(k) plan with employer match • Paid holidays • PTO (sick/vacation) • Commuter benefits • Employee assistance program (EAP) • Educational reimbursement • Pet Insurance • Collaborative, growth-focused environment • High-impact cybersecurity missions with experienced professionals

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