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Senior Systems Engineer – RHEL
Mercury Insurance. Design, implement, administer, and support critical, high-transactional systems with direct customer, revenue, and/or compliance impact .
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in Red Hat Enterprise Linux administration, advanced Bash scripting, and Linux security hardening while effectively managing infrastructure systems and contributing to compliance activities. Proven ability to analyze system problems, implement long-term solutions, and mentor junior staff in a collaborative environment.
Highest-signal resume keywords
Red Hat Enterprise Linux AdministrationAdvanced Bash ScriptingLinux Security HardeningInfrastructure as CodeProxmox/KVM Virtualization
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
SystemdPackage ManagementSELinuxVulnerability RemediationLVMNFSGit-based WorkflowsMonitoring and LoggingApacheTerraform
Soft Skills
Technical LeadershipKnowledge TransferProblem SolvingCollaborationMentoring
Tools & Technologies
TelegrafPrometheusGrafanaCI/CD RunnersVirtualization
Industry Keywords
ComplianceCapacity ManagementConfiguration ManagementAsset ManagementMedium or Large Organization
Tech Stack
Tools & technologiesAnsibleApacheGrafanaKafkaLinuxNFSPrometheusTerraformVMware
About the role
Key responsibilities & impact- Design, implement, administer, and support critical, high-transactional systems with direct customer, revenue, and/or compliance impact
- Implement infrastructure systems and components supporting business and IT applications, including hardware, servers, operating systems, packaged software, configuration files, security certificates, database systems, and appliances
- Conduct installations, configurations, updates, documentation, and knowledge transfer independently
- Analyze, diagnose, isolate, and identify system problems
- Create short-term solutions to alleviate problem symptoms
- Identify root causes and create or execute long-term remediation plans
- Contribute to compliance-related activities, including reporting, baselines, and verifications
- Review non-functional requirements and propose, design, and deliver supporting infrastructure for application development
- Occasionally manage small-scale IT projects
- Exercise technical leadership over architecture design and validation for relevant systems delivery
- Share knowledge and mentor less experienced staff
- Promote and exemplify best practices in capacity, asset/inventory, configuration, updates, procurement, and vendor engagement
- Develop, design, test, and document improvement solutions and processes, including scripting, automation, and workflow
- Improve system efficiency, reliability, scalability, and cost effectiveness
- Demonstrate Mercury’s core values
- Interact professionally with customers, vendors, superiors, and peers
- Perform various marginal functions
Requirements
What you’ll need- BS Computer Science or a related field or equivalent combination of education and work experience
- Minimum 5 to 7 years of prior working experience in systems engineering or related in a medium or large organization
- Strong Red Hat Enterprise Linux administration: systemd, package and patch management (rpm/dnf), SELinux, firewalld, cgroups, and journald/auditd troubleshooting
- Advanced Bash scripting for administration, automation, monitoring, and operational tooling
- Linux security hardening and compliance: FIPS/crypto policy, SSH keys and certificates, sudo and least-privilege service accounts, file and directory permissions, and CIS/SOX/PCI controls
- Vulnerability remediation tracking, including CVE status and needs-restarting
- Linux storage and performance diagnosis: LVM and filesystems, NFS, iSCSI/FC with multipath, and reading /proc and PSI, I/O, memory and CPU-steal data
- Hands-on Proxmox/KVM virtualization experience; ideally VMware experience and migration between the two
- Enterprise networking concepts: bastion/jump hosts, proxies, VIPs and load balancers, bonding, VLANs and MTU
- Git-based workflows, including branching, pull requests, code review, and CI/CD runners and pipelines
- Infrastructure as Code and configuration management using Ansible, Terraform or comparable tools
- Monitoring and logging for Linux services, such as Telegraf/Prometheus/Grafana or similar
- Experience supporting Linux-hosted application and middleware platforms such as Apache, Tomcat, Kafka, and Solr
- Ability to write clear root cause analyses and work incidents end to end with security, networking, storage, and application teams
- Regular attendance on a full-time schedule of at least 8 hours and 40 hours per week
Benefits
Comp & perks- Competitive compensation
- Flexibility to work from anywhere in the United States for most positions
- Paid time off (vacation time, sick time, 9 paid Company holidays, volunteer hours)
- Incentive bonus programs (potential for holiday bonus, referral bonus, and performance-based bonus)
- Medical, dental, vision, life, and pet insurance
- 401 (k) retirement savings plan with company match
- Engaging work environment
- Promotional opportunities
- Education assistance
- Professional and personal development opportunities
- Company recognition program
- Health and wellbeing resources, including free mental wellbeing therapy/coaching sessions, child and eldercare resources, and more
- Reasonable accommodations for qualified individuals with disabilities