Senior Network Security Engineer

International SOS; San Antonio (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

International SOS seeks a Sr. Network Security Engineer to design, secure, operate, and maintain its IT network and security infra for a key government contract.

You will work with Azure and Cisco on-prem networks, monitor IPS, and implement VPN/firewall changes, while upgrading core network hardware. The role requires 10+ years IT experience with 5+ years in Checkpoint security and Cisco networking, plus CCNA and a security clearance eligibility.

Qualifications

• Bachelor's degree in IT, information security, or equivalent with extra security experience.
• CCNA certification is required or equivalent.
• Azure Network Engineer Associate is preferred.
• US citizen able to obtain Tier 3/Level II IT Security Clearance.

Responsibilities

• Maintain data network hardware and systems including Azure and on-premise Cisco networks.
• Investigate and resolve significant network/hardware issues; analyse and fix errors.
• Assess and evaluate current and future systems.
• Monitor IPS for intrusions and respond to incidents.
• Keep IPS and signatures up-to-date.
• Design on-prem or Azure Gov cloud networks per requirements.
• Develop and monitor key network metrics for IT reviews.
• Implement VPN and firewall rule changes and web filtering.
• Upgrade hardware/software like Cisco switches, Checkpoint firewalls, F5 load balancers.

Skills

Cisco Nexus & Catalyst Switches

Checkpoint Firewalls & IPS

F5 Load Balancers

Azure Networking

Networking Protocols

PowerShell/Python/Bash scripting

Education

Bachelor's degree in IT/InfoSec or equivalent + 4 years security experience

CCNA

Azure Network Engineer Associate (preferred)

Job description

Overall Purpose Of The Job

International SOS is looking for a talented Sr. Network Security Engineer to help secure, design, operate, and maintain its IT network and security infrastructure for a key government contract. The ideal candidate would have a passion for solving technical problems and a drive for continually assessing and improving the technical environment in which they operate.

Key Responsibilities

• Maintains data network hardware and systems including Azure and Cisco on-premise networks.
• Investigates and resolves network and hardware issues of significance; researches, analyses, isolates and resolves errors.
• Assess and evaluates current and future systems
• Monitor the IPS system for network intrusions and respond to incidents
• Ensure IPS system and signatures are kept up-to-date.
• Design networks on-premises or in the Azure government cloud as described in the project requirements and in line with architectural principles.
• Develop and monitor key network metrics for input into IT reviews/reporting and monitoring.
• Implement VPN and firewall rule, web filtering changes.
• Perform hardware and software upgrades of network infrastructure like Cisco switches, Checkpoint firewalls, F5 Load balancers.

Required Skills And Knowledge

• Cisco Nexus and Catalyst Switches
• Checkpoint Firewalls and Intrusion Prevention
• F5 Load Balancers
• Microsoft Azure Networking (Virtual networks, Routing, Subnets, Express Route, VPN, Network Security Groups)
• Networking Protocols/Concepts (Routing, VLAN, Subnetting, Load balancing, TCP/IP, DNS, HTTP, TLS, SSH)
• Script Experience a plus - PowerShell, Python, Bash, or similar

Required Competencies

• Goal/results focused.
• Strong ability to analyse and solve problems.
• Self-starter.
• Available to manage multiple competing demands.
• Comfortable with ambiguity.

Required Work Experience

• 5+ Experience designing, building, and operating networks
• 5+ Years Checkpoint Security
• 5+ Years Cisco networking
• 10+ Years in IT

Required Qualifications

• Bachelor's degree in Information Technology, Information Security, or equivalent 4 years additional experience in network security engineering.
• Cisco Certified Network Associate (CCNA)
• Azure Network Engineer Associate preferred
• This position does require a US Citizen who can obtain Tier 3/ Level II IT Security Clearance (previously referred to as ADP II Clearance) after being offered a position and maintaining clearance after starting with International SOS.

Required Languages

• English
• Any second language preferred.

Travel / Rotation Requirements

• Not Required
• On-call/after-hours support required as needed.