Qureos Mentor

DNS Solutions Inc.

Senior Systems Engineer &ndash; On&#8209;Prem Infrastructure &amp; Security (Oil &amp; Gas Preferred)Location: Denver, CO (Hybrid &ndash; Onsite Mon&ndash;Thurs, optional remote Fri) Hourly Rate: $68.50 to $78.00 Apply: Email resume to ds@dnssolutions.netSummaryOur client seeks a seasoned Senior Systems Engineer to lead on-premises infrastructure and elevate security maturity. This role is fully focused on datacenter operations&mdash;not cloud-first&mdash;but will integrate and support hybrid components where needed. Key responsibilities include SIEM, log integration, backup security, security dashboards, and disaster readiness. Oil &amp; Gas industry experience is highly valued. I need someone with strong CISCO experience.Key Responsibilities<ul><li>Lead backup and DR operations (preferably Cohesity): define RPO/RTO, perform regular testing and documentation, and oversee recovery procedures.</li><li>Architect, deploy, and maintain on-premises servers, storage, and virtualization (Nutanix) to ensure availability and performance.</li><li>Assist with the administration and secure networking infrastructure: Cisco Nexus/Catalyst, wireless, Palo Alto firewalls (NGFW), routing, VLANs, and VPN connectivity.</li><li>Design and maintain security dashboards to provide visibility into organizational compliance posture, vulnerability exposure, system performance, and security events.</li><li>Aggregate and integrate log data from enterprise infrastructure&mdash;including servers, network devices, firewalls, and backup systems&mdash;into centralized SIEM platforms (e.g., Splunk, ELK, Sumo Logic, Datadog).</li><li>Implement and support preventative security controls, including vulnerability scanning, system hardening, patch management, firewall administration, and access control enforcement in coordination with security operations and IT teams.</li><li>Perform routine log analysis and audit activities to identify anomalies, potential threats, or policy violations, and ensure alignment with security and compliance standards. Mentor junior staff, provide technical escalation support, and ensure knowledge transfer.</li><li>Continuously identify operational and security risks, proposing and implementing mitigation strategies.</li><li>Collaborate with IT leadership to align infrastructure and security strategies with business goals.</li></ul>Required Skills &amp; Experience<ul><li>5+ years of hands-on experience in systems engineering and on-prem infrastructure administration in enterprise or industrial environments.</li><li>Strong technical expertise: servers, storage, virtualization (Nutanix, VMware, Hyper&#8209;V), networking, and physical infrastructure.</li><li>Proficient in designing security dashboards, integrating enterprise log sources into SIEM platforms (e.g., Splunk, ELK, Datadog), and advancing monitoring and threat detection capabilities.</li><li>Experienced in implementing and managing preventative controls&mdash;vulnerability scanning, patching, hardening, firewall rules, and access controls&mdash;aligned with security and compliance standards.</li><li>Skilled in log analysis, incident detection, risk identification, and providing technical leadership and mentorship within security operations teams.</li><li>Experience with backup/restore, disaster recovery testing, and restoration procedures (Cohesity preferred, also considering Rubrik).</li><li>Proven experience managing Cisco data center networks and wireless, and Palo Alto NSX or NGFW firewalls.</li><li>Proficiency in Microsoft Server (2016+), Active Directory, Group Policy, Microsoft 365, Exchange Online.</li><li>Strong documentation, project ownership, and operational process development.</li><li>Excellent communication to mentor junior staff and liaise with cross-functional teams.</li></ul>Preferred Qualifications (Pluses)<ul><li>Oil &amp; Gas industry experience, particularly supporting SCADA, field operations, or energy production environments.</li><li>Nutanix certification.</li><li>Familiarity with regulatory frameworks: SOX, ISO 27001, HIPAA.</li><li>Hands-on experience with security centric technologies.</li><li>Participate in M&amp;A or divestiture infrastructure transitions.</li><li>Relevant certifications (CCNP, PCNSE, MCSA/MCSE, VCP, Nutanix, CISSP).</li></ul>Work Environment &amp; Schedule<ul><li>Hybrid schedule: Onsite Mon&ndash;Thurs, optional remote Fri.</li><li>Standard 40-hour workweek (option for four 9-hour days plus shorter Friday).</li><li>Occasional travel to other company sites.</li><li>Employment contingent on background check and drug screening.</li></ul>Benefits<ul><li>Comprehensive healthcare (medical, dental, vision)</li><li>Free dental &amp; vision coverage for employees</li><li>401(k) with 6% employer match (vested after 1 month)</li><li>Paid life and AD&amp;D insurance; optional additional coverage</li><li>Paid vacation, sick time, holidays, and volunteer allowances</li><li>HSA employer contributions &amp; FSA options</li><li>Tuition &amp; fitness reimbursements</li><li>Employer-paid short/long-term disability</li><li>Paid parental leave</li><li>RTD EcoPass or company-paid parking in Denver</li><li>Performance-based incentives</li></ul>Job Types: Full-time, Part-time, ContractPay: $68.50 - $78.00 per hourExpected hours: 40 per weekWork Location: In person

Senior Systems Engineer

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DNS Solutions Inc.

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Senior Systems Engineer