CrawlJobs Logo

Infrastructure Security and Network Specialist

computerguidance.com Logo

Computer Guidance

Location Icon

Location:
United States, Scottsdale

Category Icon
Category:
IT - Administration

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided

Job Description:

The Infrastructure Security and Network Specialist is a hands-on position responsible for providing technical direction and guidance in the development, implementation and maintenance of the company’s cybersecurity controls in accordance with NIST instructions and guidelines. The Infrastructure Security and Network Specialist will lead the development and implementation of security controls, mentor others in security concepts and ensure secure cloud practices are followed. The position will enable the company to operate expertly, cost effectively, and within compliance standards and will assist others in interpreting, understanding, and applying information security policies and standards to mitigate information security risks. The Infrastructure Security and Network Specialist will also participate in the greater infrastructure team’s customer support activities.

Job Responsibility:

  • Oversee, evaluate, and support the documentation, validation, assessment, and authorization processes necessary to assure that existing and new information technology systems meet the organization's cybersecurity and risk requirements
  • Ensure appropriate treatment of risk, compliance, and assurance requirements from internal and external perspectives
  • Analyze and develop the integration, testing, operation, and maintenance of system security
  • Develop new and/or enhance existing policies to support organizational cybersecurity initiatives
  • Respond to security events within the pertinent domain to mitigate immediate and potential threats. Use mitigation, response and recovery approaches, as needed, to maximize preservation of information security. Investigate and analyze all relevant response activities
  • Analyze digital evidence and investigate computer security incidents to derive useful information in support of system/network vulnerability mitigation
  • Network Security: Responsible for Firewalls, switches, IPS/IDS, Proxies, URL Filtering, IP Whitelist/Blacklisting, Geo-fencing, DDoS protection, VPNs, and other security technologies
  • System Security: Responsible for maintain existing structure or create new, secured environments. A thorough knowledge of Microsoft domains, including Active Directory, IIS, DHCP, DNS, Kerberos, Group Policy, Scripting, Patch Management, Endpoint Management, AV & EDR Tools, SNMP/WMI/Syslog management and monitoring
  • SIEM/SOC Security: Responsible for SIEM tools feeding SOC operations, including ongoing management, tuning, alert thresholds, initial investigation and validation of threats, and building functional reports to relay threat analytics to stakeholders in a digestible format

Requirements:

  • 3+ years of enterprise Information Security experience is required
  • 5+ years of network / firewall experience in a Cisco hardware environment is required
  • 8+ years of technical experience in Windows server environment is required
  • 8+ years of technical experience in Windows workstation environment is required
  • In-depth knowledge of security and risk frameworks (NIST 800-53, ISO-27001 etc.) required

Nice to have:

CCNA, CCNP Security, CISSP, CISM or similar certifications desired

What we offer:
  • Competitive salary
  • Company-paid healthcare coverage for individuals & their families
  • Work-from-home policies
  • Challenging work designed to leverage and rapidly expand your skill set

Additional Information:

Job Posted:
December 07, 2025

Job Link Share:

Looking for more opportunities? Search for other job offers that match your skills and interests.

Briefcase Icon

Similar Jobs for Infrastructure Security and Network Specialist

Infrastructure Engineer - Network Specialist

We are currently recruiting an exciting opportunity on our IT Infrastructure tea...
Location
Location
United Kingdom , London
Salary
Salary:
Not provided
transact-online.co.uk Logo
Transact
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • A minimum of 5 years in a network infrastructure engineering role, ideally within Financial Services
  • Advanced experience with Azure Virtual Network (VNet) design (including subnetting, peering, and NSGs)
  • Extensive hands-on experience designing and managing Core and Top-of-Rack (ToR) switching environments, including resilience technologies like VSX or other MC-LAG protocols
  • Proven experience implementing network access control (NAC) and zero-trust principles
  • Working knowledge of configuration management and orchestration tools such as Ansible
Job Responsibility
Job Responsibility
  • Design, and deploy end-to-end network solutions, including LANs, WANs, WLAN and SD-WAN Solutions, both on-premise and within cloud infrastructure
  • Serve as the subject matter expert for all Azure networking components, leading integration, security, and governance efforts
  • Drive cross-functional collaboration, partnering closely with architecture, cybersecurity, and change delivery teams to ensure network designs and implementations are secure, compliant, and fully aligned with business and technical objectives
  • Drive network automation initiatives, identifying opportunities and implementing solutions (e.g. Ansible) to streamline provisioning, management, and monitoring
  • Manage and monitor networks, servers, and systems to ensure optimal performance. This includes troubleshooting network issues and performing regular maintenance and upgrades
  • Lead network security design and configuration to protect the organisation's data and systems, including setting up firewalls, VPNs, policy-based routing, and zero-trust network security principles
  • Translating High-Level Designs (HLDs) and business requirements into practical conceptual models, while taking full ownership for the creation, documentation, and implementation of detailed Low-Level Designs (LLDs)
  • Proactively managing the capacity and performance of the hybrid network infrastructure, with a focus on Data Center fabric scalability, and raising strategic design proposals for continuous improvement in line with business demands
  • Owning the network infrastructure lifecycle strategy, including vulnerability management, patching governance, and maintenance planning
  • Providing where necessary out of hours support of the IT systems
What we offer
What we offer
  • company discretionary bonus
  • excellent pension contributions
  • an attractive staff share scheme
  • BUPA health insurance
  • buying and selling of annual leave
  • sponsorship of relevant professional qualifications
  • Fulltime
Read More
Arrow Right

Network Infrastructure Specialist

We are seeking a highly skilled Network Specialist to join our Cloud Module infr...
Location
Location
United States , Spring
Salary
Salary:
117500.00 - 270000.00 USD / Year
https://www.hpe.com/ Logo
Hewlett Packard Enterprise
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of hands-on experience with switch configuration for Private Cloud environments
  • Strong knowledge of Aruba/Juniper/Cisco or Arista, networking platforms
  • Proficiency in VLANs, STP, LACP, vPC/MLAG
  • OSPF, BGP
  • Network segmentation and ACLs
  • VXLAN, EVPN
  • Experience with Ansible, Python scripting, and Infrastructure-as-Code principles
  • Understanding of data center traffic patterns and high-availability architectures
  • Hands on experience with network automation via REST APIs and templated configuration
  • Strong documentation and communication skills
Job Responsibility
Job Responsibility
  • Configure L2/L3 switches across multiple racks with high-availability for private cloud solutions
  • Design and implement VLANs, port channels, and routing protocols (OSPF, BGP) for efficient east-west and north-south traffic flow
  • Develop procedures to Integrate switch infrastructure with customer’s existing data center environment
  • Automate switch provisioning and configuration using tools like Ansible and Python
  • Implement overlay/underlay network models (e.g., VXLAN/EVPN)
  • Ensure robust network segmentation, security policies, and performance optimization
  • Collaborate with systems, cloud, and security teams to deliver reliable private cloud connectivity
  • Maintain accurate network documentation and diagrams (e.g., using NetBox or Visio)
  • Participate in network monitoring, troubleshooting, and customer support as needed
What we offer
What we offer
  • Health & Wellbeing
  • Personal & Professional Development
  • Unconditional Inclusion
  • Fulltime
Read More
Arrow Right

Infrastructure specialist

As our ICT Infrastructure Support Engineer, you will play a crucial role in supp...
Location
Location
Netherlands , Rijswijk
Salary
Salary:
Not provided
europoolsystem.com Logo
Euro Pool System
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Minimum of 4 years of experience of working in ICT infrastructure engineering
  • Secondary Vocational education degree in Information or equivalent education
  • Medior skills on Microsoft: Windows 10/11, Office 365, Azure, Intune, teams
  • Networking: Wi-Fi-hotspots, LAN/WAN networking, network printing TCP/IP, firewalls, ICT Security
  • Project administration skills
  • Willing and able to travel to provide onsite support throughout Europe
  • Excellent verbal and written communication skills in English and Dutch
Job Responsibility
Job Responsibility
  • Support and maintain technical ICT infrastructure alongside ICT provider
  • Ensure optimal functioning of modern workplace with Office 365 and Intune, and network LAN and WAN (Cisco Meraki)
  • Provide hands-on support to business and partners for connection requests
  • Provide hands-on support to users in Head Office and throughout Europe
  • Collaborate with ICT partners to maintain on-premises and cloud (Azure) infrastructures
  • Install, configure, and maintain workstations, laptops, and servers
  • Assist with LAN and WAN changes
  • Plan maintenance activities, conduct health checks, and oversee contractor and vendor service quality
  • Analyse and troubleshoot incidents
  • Execute test plans for system upgrades or releases
What we offer
What we offer
  • A competitive salary and a good pension scheme
  • 25 vacation days per year (based on fulltime employment)
  • Many opportunities to develop yourself within the organization
  • Fulltime
Read More
Arrow Right

Network Specialist

We are working with a leading quantitative investment firm to hire an experience...
Location
Location
United Kingdom , London
Salary
Salary:
150000.00 GBP / Year
hunterbond.com Logo
Hunter Bond
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of enterprise network engineering experience, ideally within high-performance or latency-sensitive environments
  • Expertise in core routing and switching protocols: OSPF, BGP, EVPN, STP, MLAG/vPC, VLAN/VxLAN
  • Proficiency in multicast technologies: PIM, IGMP, MSDP, SSM
  • Strong familiarity with Cisco and Arista platforms
  • Proven experience with data center and office network buildouts
  • Deep understanding of network security concepts: AAA, control planes, device hardening
  • Cloud networking experience (AWS, Azure, or GCP)
  • Strong scripting and automation capabilities (Python, Ansible, Git)
  • Familiarity with observability and orchestration tools (Prometheus, CVP, Elastic, Grafana)
  • Relevant certifications: CCNP required, CCIE preferred
Job Responsibility
Job Responsibility
  • Architect and implement deterministic, highly available network infrastructure across LAN, WAN, data center, and cloud environments
  • Translate complex business and technical requirements into resilient and scalable network designs
  • Lead end-to-end project delivery, including planning, execution, and vendor coordination
  • Evaluate emerging technologies to enhance performance, security, and operational efficiency
  • Provide escalation support (L3) for critical incidents affecting network performance or availability
  • Contribute to automation and monitoring initiatives, continuously improving network observability and reliability
  • Produce high-quality documentation and network diagrams to support operational transparency and future development
What we offer
What we offer
  • Bonus/Perks
  • Fulltime
Read More
Arrow Right

IT Security Specialist

Amla Commerce is looking for an experienced IT Security Specialist to join our t...
Location
Location
United States , Milwaukee
Salary
Salary:
Not provided
amla.io Logo
Amla Commerce
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's degree in Computer Science, Information Technology, or a related field
  • Minimum 2 Years of relevant work experience
  • Proven experience in infrastructure security, manual penetration testing, vulnerability assessment, and web application security
  • Strong knowledge of penetration testing tools and frameworks, including Burp Suite, Owasp Zap, and Metasploit Framework
  • Familiarity with OWASP Top 10 vulnerabilities and best practices for securing web applications
  • Experience with IDS/IPS tools for monitoring and preventing intrusions
  • Familiarity with wireless/Wi-Fi security protocols, encryption standards, and best practices
  • Knowledge of network and system security protocols, technologies, and best practices
  • Strong problem-solving skills and ability to think strategically about security risks and solutions
  • Excellent communication and interpersonal skills to effectively collaborate with cross-functional teams and stakeholders
Job Responsibility
Job Responsibility
  • Conduct manual penetration testing of infrastructure systems, networks, and applications to identify security vulnerabilities and potential risks
  • Utilize various penetration testing tools such as Nmap, Nessus, Burp Suite, Owasp Zap, and Metasploit Framework to identify and exploit vulnerabilities
  • Perform vulnerability assessments using both manual approaches and vulnerability assessment and penetration testing (VAPT) tools like Nessus, OpenVAS, and Qualys
  • Collaborate with the development team to enhance the security of web applications by implementing secure coding practices and addressing OWASP Top 10 vulnerabilities
  • Configure and manage web application firewalls (WAF) to protect against common web-based attacks
  • Implement and maintain infrastructure firewalls, ensuring that proper configurations are in place to protect the network and systems from unauthorized access
  • Manage IP access control lists and handle blocking/unblocking requests as per security policies
  • Ensure compliance with SOC (Security Operations Center) standards and participate in audits and assessments
  • Provide end user system security by deploying and managing antivirus solutions, conducting security awareness training, and responding to security incidents
  • Stay up-to-date with the latest security threats, vulnerabilities, and industry best practices to proactively identify potential risks and recommend mitigation strategies
Read More
Arrow Right

IT Specialist – Client Networking and Cybersecurity Consultant

This position will play a pivotal role in advising clients on optimizing their w...
Location
Location
United States , Central Indiana
Salary
Salary:
Not provided
wesslerengineering.com Logo
Wessler Engineering
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree in Computer Science, Information Technology, or a related field
  • Proven experience in client networking and cybersecurity consulting
  • Strong knowledge of networking principles, including TCP/IP, DNS, DHCP, and VLANs
  • Proficiency in configuring and managing networking equipment such as routers, switches, and access points
  • Experience with cybersecurity tools and technologies, including antivirus software, intrusion detection systems, and penetration testing tools
  • Excellent problem-solving skills and the ability to analyze complex technical issues
  • Strong communication and interpersonal skills, with the ability to build rapport with clients and work effectively in a team environment
Job Responsibility
Job Responsibility
  • Conduct thorough assessments of clients’ existing network infrastructure and cybersecurity posture
  • Collaborate with clients to understand their business objectives and tailor networking and cybersecurity solutions to meet their specific needs
  • Design and implement secure network architectures, including firewalls, VPNs, and intrusion detection systems
  • Perform security audits and vulnerability assessments to identify and address potential weaknesses in clients’ systems
  • Provide support and troubleshooting for network and cybersecurity issues, ensuring minimal disruption to clients’ operations
  • Inform and advise on the latest developments in networking technologies and cybersecurity threats, and make recommendations for continuous improvement
  • Educate clients on cybersecurity best practices and provide training to their employees as needed
  • Communicate effectively with clients to explain technical concepts and recommendations in a clear and concise manner
Read More
Arrow Right

System Security Specialist

Assurit is currently seeking an experienced System Security Specialist to suppor...
Location
Location
United States , Maryland
Salary
Salary:
Not provided
assurit.com Logo
Assurit
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree in Information Security, Computer Science, Engineering, or related field
  • or equivalent professional experience
  • Proven ability to interpret complex requirements and review technical documentation for accuracy and relevance
  • Exceptional oral and written communication skills
  • Strong analytical and problem-solving skills with the ability to provide expert guidance in high-impact environments
  • Experience supporting large-scale, secure, and regulated IT environments
  • 7+ years of highly specialized experience in one or more security disciplines, including: Penetration testing
  • Intrusion detection or audit analysis
  • Public Key Infrastructure (PKI)
  • Cryptography
Job Responsibility
Job Responsibility
  • Provide expert-level advisory support and analysis across information, computer, and network security disciplines
  • Review requirements, technical documentation, and task materials for accuracy, applicability, and alignment with security best practices
  • Conduct detailed assessments of security risks, architectures, and operational processes
  • Evaluate and advise on security controls, system configurations, and emerging threats
  • Support specialized security activities such as penetration testing, intrusion detection analysis, risk assessments, or PKI reviews based on expertise
  • Communicate complex technical concepts clearly to both technical and non-technical stakeholders
  • Develop clear documentation, findings, and recommendations that support program decisions and security improvements
  • Collaborate with engineers, analysts, and leadership to validate requirements and ensure accurate technical implementation
  • Assist in developing or refining security standards, procedures, and guidance
What we offer
What we offer
  • medical and dental coverage
  • paid time off
Read More
Arrow Right

Network Architect and Manager

We're looking for an accomplished Network Architect and Manager to lead the desi...
Location
Location
Bulgaria , Sofia
Salary
Salary:
Not provided
brandwatch.com Logo
Brandwatch
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8+ years of experience in network engineering and architecture roles, including leadership or managerial responsibilities
  • Expert knowledge of networking fundamentals and protocols (TCP/IP, DNS, BGP, OSPF, etc.) with hands-on experience designing large-scale enterprise networks
  • Proven experience with cloud networking (AWS, Azure, or GCP), including virtual networks, VPC peering, security groups, and hybrid connectivity
  • Strong understanding of network security best practices and technologies (firewalls, VPNs, ACLs, IDS/IPS)
  • Proficiency with network monitoring and troubleshooting tools (such as Wireshark, SNMP systems, or flow analysis) and the ability to perform deep network analysis
  • Experience with network automation and Infrastructure as Code (e.g. using Python scripts or Terraform/CloudFormation for network provisioning)
  • Excellent problem-solving and communication skills, with the ability to collaborate across teams and explain network concepts to non-specialists
  • Design, implement, and manage robust edge-security solutions—including firewalls, VPNs, and network flow controls—to protect our perimeter and distributed systems
Job Responsibility
Job Responsibility
  • Oversee the architecture, reliability, and security of our enterprise networks (cloud and on-premises), from initial design through deployment
  • Design and implement scalable network solutions, including LAN/WAN topologies and cloud VPCs, to ensure high availability and optimal performance
  • Collaborate with security teams to apply robust network security measures (firewalls, VPNs, intrusion detection) protecting critical assets and data
  • Mentor and guide a team of network engineers, establishing best practices and fostering professional growth
  • Proactively monitor network performance and lead troubleshooting efforts to resolve issues quickly, minimizing downtime
  • Evaluate and integrate new networking technologies and tools to continuously improve network efficiency and capabilities
Read More
Arrow Right
Welcome to CrawlJobs.com
Your Global Job Discovery Platform
At CrawlJobs.com, we simplify finding your next career opportunity by bringing job listings directly to you from all corners of the web. Using cutting-edge AI and web-crawling technologies, we gather and curate job offers from various sources across the globe, ensuring you have access to the most up-to-date job listings in one place.