Network Security Engineer II

Rackspace Technology

Network Security Engineer II providing technical support and resolution for complex customer issues at Rackspace. Implementing enterprise-class solutions and maintaining cloud infrastructure.

Posted 7/29/2026full-timeSan Antonio • Texas • 🇺🇸 United StatesMid-LevelSenior💰 $71,997 - $105,595 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in cloud infrastructure management, network security, and system architecture, with a strong focus on customer relationship building and technical problem resolution. Proficient in implementing secure network solutions and optimizing workload management.

Highest-signal resume keywords

Cisco Certified Network Associate (CCNA)Palo Alto Networks Certified Next-Generation Firewall Engineer (PCNSE)Experience with F5 Load BalancersAdvanced Knowledge of Virtualization TechnologiesExperience with Network and Server Hardware Infrastructures

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cloud Infrastructure ManagementNetwork SecuritySystem Architecture DesignEthical HackingFirewall TechnologiesIntrusion Detection/PreventionSecure Coding PracticesIdentity and Access ManagementApplication SecurityEncryption Technologies

Soft Skills

Excellent Communication SkillsProblem ManagementCollaboration with StakeholdersKnowledge Sharing

Tools & Technologies

Palo Alto FirewallsWindows Operating SystemUnix/Linux Operating SystemNAS Storage TechnologiesSAN Storage Technologies

Certifications & Qualifications

Cisco Certified Network Associate (CCNA)Palo Alto Networks Certified Next-Generation Firewall Engineer (PCNSE)

Industry Keywords

Cloud Environment ControlWorkload ManagementFleet ManagementThreat ModelingDNSSOADatabase ApplicationsWeb Applications

Tech Stack

Tools & technologies

CloudDNSFirewallsLinuxUnix

About the role

Key responsibilities & impact

Be the technical point of escalation to the Cloud Support and Engineering teams; resolving customer issues
Monitor and provide maintenance for all related infrastructure
Ensure the control, integrity, and accessibility of the cloud environment
Implements large, complex enterprise-class solutions
Lead tasks relating to system architecture enhancements, problem management, fleet
Lead Workload/Workforce Management and Optimization related tasks
Provide technical expertise underpinning communications targeting a range of stakeholders - from individual contributors to leaders across the business
Collaborate with Account Managers and Business Development Consultants to build strong customer relationships
Share knowledge with other Engineers and Administrators on the support floor

Requirements

What you’ll need

High School Diploma is required
Bachelor's degree in computer science or related field of study is preferred
Minimum of three years of relevant experience
Cisco Certified Network Associate (CCNA) is required
Palo Alto Networks Certified Next-Generation Firewall Engineer (PCNSE) certification is preferred
Ability to work with F5 load balancers
Experience with Palo Alto firewalls
Knowledge of ethical hacking, firewall and intrusion detection/prevention technologies, secure coding practices and threat modeling
Advance knowledge and experience of virtualization technologies, Windows and Unix/Linux operating systems
Advance knowledge and experience of network and server hardware infrastructures and storage technologies (NAS, SAN)
Experience with designing secure network architectures, identity and access management principles, application security, encryption technologies, DNS, SOA, database and web applications
Excellent communication skills and the ability to articulate complex scenarios with clear solutions
Ability to make appropriate decisions considering the relative costs and benefits of potential actions.

Benefits

Comp & perks

incentive compensation opportunities in the form of annual bonus or incentives
equity awards
Employee Stock Purchase Plan (ESPP)