Network Security Engineer jobs in United States
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Seneca Resources Company, LLC · 1 month ago

Network Security Engineer

Seneca Resources Company, LLC is a staffing and consulting firm that connects talented professionals with opportunities. They are seeking an experienced Network Security Engineer to enhance and maintain the security posture of its enterprise IT infrastructure, focusing on incident response, vulnerability management, and collaboration with IT teams.

Oil & Energy
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Comp. & Benefits

Responsibilities

Detect, analyze, and respond to security incidents across networks, endpoints, and cloud environments
Investigate alerts using Splunk, SolarWinds, Cisco Secure Endpoint , and Secure Network Analytics
Log and manage incidents using ServiceNow and Jira
Administer and maintain IAM systems, role-based access controls, and MFA tools ( DUO, Microsoft Authenticator )
Manage Active Directory and Azure AD user provisioning
Support Network Access Control (NAC) enforcement and policy configuration
Conduct regular vulnerability assessments using Qualys
Collaborate with internal teams to remediate vulnerabilities and strengthen defenses
Monitor and analyze network protocols ( TCP/IP, DNS, HTTP/S ) for threats
Support cloud security initiatives using Cloudflare and Cisco Secure Access Suite
Configure and maintain Cisco ThousandEyes for network visibility and performance optimization
Maintain accurate documentation of incidents, investigations, and remediation actions
Contribute to security awareness and cross-functional security initiatives

Qualification

Network SecurityIAM principlesQualysSplunkCloudflareMFA implementationActive DirectoryAzure ADCisco Secure AccessNetwork protocolsCompTIA Security+Soft skills

Required

3+ years of experience in cybersecurity or IT operations
Strong knowledge of IAM principles, MFA implementation, and endpoint protection
Hands-on experience with Qualys, DUO, SolarWinds, Splunk, Cloudflare, and EDR solutions
Familiarity with Cisco Secure Access, Umbrella, AnyConnect, ThousandEyes, and Secure Network Analytics
Working knowledge of Active Directory, Azure AD (Entra), and ticketing systems (ServiceNow, Jira)
Solid understanding of network protocols and traffic analysis
Certification: CompTIA Security+ or equivalent required

Preferred

5+ years of experience in cybersecurity or network operations
Bachelor's degree in Cybersecurity, Information Technology, or a related discipline
Experience with cloud platforms (Azure, AWS, GCP) and their native security tools
Familiarity with Microsoft Sentinel, Entra ID, Defender for Identity, and Zero Trust frameworks
Experience with NAC platforms such as Cisco ISE or Aruba ClearPass
Advanced certifications preferred: CISSP, CISM, CEH, Microsoft SC-200 / SC-300, Cisco CyberOps Associate, GIAC Security Essentials (GSEC)

Benefits

Competitive pay
Comprehensive benefits
Dedicated career support

Company

Seneca Resources Company, LLC

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Seneca Resources Company, LLC, the exploration and production segment of National Fuel Gas Company, headquartered in Houston, Texas, explores for, develops, and produces natural gas in the Appalachian Region including the Marcellus and Utica Shales.

Funding

Current Stage
Growth Stage

Leadership Team

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John McGinnis
Chief Operating Officer
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Todd Abbott
Chief Operating Officer
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Company data provided by crunchbase