27 Network Administrators jobs in Melville

• Design, implement, and manage complex network architecture to meet requirements from various business units
• Support network and security infrastructure and controls, including, but not limited to Routers, Switches, SD-WAN, Firewalls, VPN, TACACS, NetFlow based tools, etc.
• Develop and implement disaster recovery plans for the network; assist in conducting periodic internal and external audits to assess security/risk in our company's network
• Ensure network systems comply with relevant regulatory and compliance standards
• Participate in incident triage, analysis, response, and remediation for network outages, intrusions, attacks, and other incidents
• Assist in developing network-specific security policies, guidelines, standards, and procedures
• Implement automation scripts and tools to streamline repetitive network tasks
• Manage network services and configurations, recommending and implementing changes that will improve overall company network security
• Assist in evaluating and developing solutions for complex network and security technologies for enterprise and service provider environments
• Work with network hardware and software vendors to evaluate new products and technologies
• Lead and/or participate in network-related projects, ensuring timely and successful completion
• Collaborate with cross-functional teams to understand business needs and translate them into effective network solutions; collaborate with IT to design and implement hybrid cloud network solutions
• Perform other duties as requested by the supervisor

• 5+ years of technical hands-on networking and security experience
• Proficiency with network administration and architecture, and an in-depth understanding of communication protocols and routing protocols (BGP, OSPF)
• Familiarity with access control models and network security, knowledge of coding languages for scripting (Python)
• Experience with network diagnostic, monitoring, and analysis tools
• Experience with routers, switches, firewalls, VPN, netflow, and other network security tools

• Cloud networking experience
• Networking and security certifications (CCNA, CCNP, etc)
• Familiarity with Cybersecurity frameworks such as NIST CSF and ISO 27001

Job description: Execute operational tasks for network security solutions, including network firewalls, intrusion prevention systems (IPS), proxies and web application firewalls (WAF). Monitor the performance and maintain network security solutions. Utilise various tools and solutions to troubleshoot and diagnose network problems. Identify and provide insight on WAF violations. Post office-hours activation for support and troubleshooting. Perform data tabulation and report extraction. Configure and install various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN, QoS) Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations Monitor performance and ensure system availability and reliability Monitor system resource utilization, trending, and capacity planning Provide Level-2/3 support and troubleshooting to resolve issues Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure Select and implement security tools, policies, and procedures in conjunction with the company’s security team Liaise with vendors and other IT personnel for problem resolution Handle request and perform necessary network configuration. Coordinate the troubleshooting and incident root cause analysis for the managed equipment. It might include troubleshooting with other parties Review new release of vulnerabilities and provide recommendation to HDB. It includes obtaining of firmware, schedule and coordinate firmware patching with testers. Requirements and skills: Possess knowledge on networking protocols and technologies like TCP/IP, VLANs, VPNs, and routing/switching. Possess fundamental application security knowledge like interpretation of HTTP response status codes and WAF violations. Higher proficiency in application security knowledge to advice on remediation measures is an added advantage, but not mandatory. Proficient with network equipment from vendors like Palo Alto, Check Point, Trend Micro, Fortinet and F5. Experience in solutions that supports the primary job tasks, like Network Performance Monitoring (NPM) and Security Information and Event Management (SIEM). Understanding of network security best practices and tools. Strong problem-solving skills and ability to work under pressure. Willingness to learn. Fundamental skills on Microsoft Office products like Word and Excel. Additional certifications like CCNA, CCNP or product (with reference to products listed above) certifications are a plus. #J-18808-Ljbffr

What you'll be doing Developing and implementing network security strategies and policies to safeguard our IT infrastructure Configuring and managing firewalls, VPNs, intrusion detection/prevention systems, and other security devices Performing vulnerability assessments and penetration testing to identify and address security risks Monitoring and analysing network traffic to detect and respond to security incidents Collaborating with the IT team to ensure seamless integration of security solutions with existing systems Providing technical support and training to end-users on security best practices Staying up-to-date with the latest security threats, trends, and technologies What we're looking for Minimum 1 year of experience in network security engineering or a related field Strong understanding of network protocols, security best practices, and industry standards Proficiency in configuring and managing firewalls, VPNs, and other network security devices Hands-on experience with network monitoring and security analytics tools Familiarity with vulnerability assessment and penetration testing techniques Excellent problem-solving and troubleshooting skills Strong communication and collaboration skills Relevant certifications, such as CCNA, CISSP, or GIAC, are a plus Interested candidates who wish to apply for the advertised position, please email us an updated copy of your resume. Email Address: EA License No.: 13C6305 Reg No: R1770654 HIEW CHAI SYIN For candidate who applied for the advertised position is deemed to have consented to us that we may collect, use or disclose your personal information for purpose in connection with the services provided by us. #J-18808-Ljbffr

Network Security Engineer Work Location: This is a fully in-office/on-site position in Woodbury, NY for the first 90 days. After 90 days, the role will be hybrid onsite 3 days/2 days remote per week. Position Summary: This role is available with a leading Cable/Internet company on the East Coast. It will be a combination of networking and security, with an emphasis on network engineering. The ideal candidate will have more experience on the network engineering side. Position Responsibilities: Design, implement, and manage complex network architecture to meet requirements from various business units. Support network and security infrastructure and controls, including, but not limited to Routers, Switches, SD-WAN, Firewalls, VPN, TACACS, NetFlow based tools, etc. Develop and implement disaster recovery plans for the network; assist in conducting periodic internal and external audits to assess security/risk in our company's network. Ensure network systems comply with relevant regulatory and compliance standards. Participate in incident triage, analysis, response, and remediation for network outages, intrusions, attacks, and other incidents. Assist in developing network-specific security policies, guidelines, standards, and procedures. Implement automation scripts and tools to streamline repetitive network tasks. Manage network services and configurations, recommending and implementing changes that will improve overall company network security. Assist in evaluating and developing solutions for complex network and security technologies for enterprise and service provider environments. Work with network hardware and software vendors to evaluate new products and technologies. Lead and/or participate in network-related projects, ensuring timely and successful completion. Collaborate with cross-functional teams to understand business needs and translate them into effective network solutions; collaborate with IT to design and implement hybrid cloud network solutions. Perform other duties as requested by the supervisor. Requirements: 5+ years of technical hands-on networking and security experience. Proficiency with network administration and architecture, and an in-depth understanding of communication protocols and routing protocols (BGP, OSPF). Familiarity with access control models and network security, knowledge of coding languages for scripting (Python). Experience with network diagnostic, monitoring, and analysis tools. Experience with routers, switches, firewalls, VPN, netflow, and other network security tools. Preferred Experience/Skills: Cloud networking experience. Networking and security certifications (CCNA, CCNP, etc). Familiarity with Cybersecurity frameworks such as NIST CSF and ISO 27001. #J-18808-Ljbffr

Hiring near our US Centers of Excellence.

Hybrid, flexible environment

Irving, TX, Fort Myers, FL, or Stamford, CT

Gartner offers a hybrid, flexible environment, with remote work that allows associates great flexibility to work from home, and opportunities to connect with colleagues for moments that matter on-site. Candidates that apply should be located within a reasonable proximity to one of Gartner's Centers of Excellence office locations.

About Gartner IT:

Join a world-class team of skilled engineers who build creative digital solutions to support our colleagues and clients. We make a broad organizational impact by delivering cutting-edge technology solutions that power Gartner. Gartner IT values its culture of nonstop innovation, an outcome-driven approach to success, and the notion that great ideas can come from anyone on the team.

About the role:

Gartner seeks a Principal Network Security Engineer to join our Enterprise Information Security Team. You will be responsible for implementing and maintaining a robust security posture across Gartner's diverse technology landscape. Your expertise in security best practices, network security, data protection, and endpoint security will be essential in protecting Gartner's assets and ensuring the confidentiality, integrity, and availability of our information.

A Principal Network Security Engineer is a senior-level position that involves overseeing security strategies and initiatives across an organization. This role requires extensive experience and expertise in cybersecurity, as well as the ability to lead teams and influence organizational security policies.

What you will do:

• Collaborate with Leadership on the long-term strategy for network security, partnering with key resources to execute against that strategy.

• Overseeing security architecture and design for complex systems.

• Engaging with stakeholders to align security initiatives with business goals.

• Collaborate and mentor with a small team of associates focused on network security and security automation.

• Design, implement, and optimize security solutions that align with industry best practices and Gartner's specific needs.

• Manage and advise on a variety of security tools and platforms both current state and future state (e.g., NGFW firewalls, cloud network security,).

• Conducting advanced threat modeling and risk assessments.

• Contribute to a number of measurable strategic goals and priorities demonstrated through a mature metrics framework.

• Stay abreast of the latest security technologies and trends to identify opportunities for enhancing Gartner's security controls.

• Collaborate with cross-functional teams to assess security risks, identify risk, prioritize, and develop remediation plans.

• Participate in security incident response activities, providing technical expertise and leadership.

• Develop and maintain comprehensive documentation of security processes, procedures, and configurations.

• Apply expert knowledge to solve complex business/technical issues.

• Take ownership of assignments and drive them to completion.

• Take part in shaping the future of our Information Security organization.

What you will need:

• Proficiency in Network security protocols and technologies. Proven experience in implementing and managing modern network security platforms like Zscaler, NGFW Firewalls, or similar (SaaS and Cloud).

• Experience with Cloud infrastructure (IaaS & PaaS) in Azure or AWS.

• Experience with Micro-Segmentation and Zero-Trust principals

• Advanced knowledge of security architecture and design principles.

• Strategic thinking and the ability to influence organizational change.

• Experience in deploying NGFW's using Infrastructure as Code (IAC) with automation tool (Terraform, Ansible, Chef, Puppet, etc.).

• Strong understanding of security principles, common attack vectors, and mitigation strategies.

• In-depth knowledge of network security, data protection, intrusion detection systems, and Encryption. Prior success in leading complex technology development, managing priorities, concept-to-implementation execution, and delivering market-leading technology solutions. Expertise in threat intelligence and Incident response. Excellent communication skills for effective interaction with technical and business stakeholders.

• A proactive and adaptable approach to problem-solving, with a focus on continuous improvement.

• Familiarity with technical security controls, guidelines, and frameworks outlined by standards such as SOC2, ISO 27001, NIST 800-53.

Nice to have:

• Industry certifications (e.g., CISSP, CCSP, CCNP Security, AWS or Azure Security)

• Experience with Web Application Firewalls (WAF) policies for new and existing web applications.

• Software engineering skills in languages like Python, C#, Java, .Net, Node

• Experience with bot architecture and design

• Preferred skills in Gsuite, Microsoft Office, JIRA, and Confluence.

Who you are:

• Degree in Computer Science, Information Security, or a related field.

• Excellent communication, collaboration, and interpersonal skills.

• Strong problem-solving, critical thinking, and analytical abilities.

• Ability to work independently and collaboratively within a team.

• Ability to build trusting, meaningful relationships with peers, stakeholders, partners and suppliers.

• Results-oriented mindset with a focus on delivering high-quality solutions.

• Detail-oriented with a passion for maintaining a high level of accuracy and documentation.

• Self-motivated and driven to stay updated with the latest security trends, technologies, and best practices.

• Ability to adapt to a fast-paced and ever-changing security landscape.

• Strong commitment to professionalism, ethics, and maintaining the confidentiality of sensitive information.

Don't meet every single requirement? We encourage you to apply anyway. You might just be the right candidate for this, or other roles.

What you will get:

• Competitive Compensation Package

• Ongoing mentorship and apprenticeship; Leadership courses, development programs, technical courses, certification opportunities and more!

• 20+ PTO days plus holidays and floating holidays in your first year

• Extensive Medical, Dental and Vision plans

• Hybrid environment with flexibility, remote work

• Parental leave

• Gartner Gives Charity Match

• Employee Assistance Program (EAP)

• Employee Stock Purchase Plan

• Health and wellness related allowance programs

• 401K with corporate match, immediate vesting

• Collaborative, team-oriented culture that embraces diversity

• Professional development and unlimited growth opportunities

#LI-Hybrid

#LI-TW1

Who are we?

At Gartner, Inc. (NYSE:IT), we guide the leaders who shape the world.

Our mission relies on expert analysis and bold ideas to deliver actionable, objective insight, helping enterprise leaders and their teams succeed with their mission-critical priorities.

Since our founding in 1979, we've grown to more than 21,000 associates globally who support ~14,000 client enterprises in ~90 countries and territories. We do important, interesting and substantive work that matters. That's why we hire associates with the intellectual curiosity, energy and drive to want to make a difference. The bar is unapologetically high. So is the impact you can have here.

What makes Gartner a great place to work?

Our sustained success creates limitless opportunities for you to grow professionally and flourish personally. We have a vast, virtually untapped market potential ahead of us, providing you with an exciting trajectory long into the future. How far you go is driven by your passion and performance.

We hire remarkable people who collaborate and win as a team. Together, our singular, unifying goal is to deliver results for our clients.

Our teams are inclusive and composed of individuals from different geographies, cultures, religions, ethnicities, races, genders, sexual orientations, abilities and generations.

We invest in great leaders who bring out the best in you and the company, enabling us to multiply our impact and results. This is why, year after year, we are recognized worldwide as a great place to work.

What do we offer?

Gartner offers world-class benefits, highly competitive compensation and disproportionate rewards for top performers.

In our hybrid work environment, we provide the flexibility and support for you to thrive - working virtually when it's productive to do so and getting together with colleagues in a vibrant community that is purposeful, engaging and inspiring.

Ready to grow your career with Gartner? Join us.

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Join to apply for the Network Security Manager role at Kaseya Continue with Google Continue with Google 2 days ago Be among the first 25 applicants Join to apply for the Network Security Manager role at Kaseya Get AI-powered advice on this job and more exclusive features. Sign in to access AI-powered advices Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google Continue with Google Kaseya is the leading provider of complete IT infrastructure and security management solutions for Managed Service Providers (MSPs) and internal IT organizations worldwide powered by AI. Kaseya’s best-in-breed technologies allow organizations to efficiently manage and secure IT to drive sustained business success. Kaseya has achieved sustained, strong double-digit growth over the past several years and is backed by Insight Venture Partners a leading global private equity firm investing in high-growth technology and software companies that drive transformative change in the industries they serve. Founded in 2000, Kaseya currently serves customers in over 20 countries across a wide variety of industries and manages over 15 million endpoints worldwide. To learn more about our company and our award-winning solutions, go to and for more information on Kaseya’s culture, please click here: Kaseya Culture. Kaseya is not your typical company. We are not afraid to tell you exactly who we are and our expectations. The thousands of people that succeed at Kaseya are prepared to go above and beyond for the betterment of our customers. Job Title: Network Security Manager Department: Infrastructure Operations Reports To: Director, Infrastructure & Cloud Services Role Overview: We are seeking a Senior Network Security Manager to lead the design, implementation, and governance of secure, resilient, and scalable network infrastructures across our global private cloud environments. This role is pivotal in ensuring the confidentiality, integrity, and availability of our global infrastructure while enabling business agility and compliance with industry standards. Key Responsibilities: Strategic Leadership Define and execute the global network security strategy for private/public cloud environments. Collaborate with infrastructure, DevOps, product and security teams to align network architecture with business and compliance objectives. Drive initiatives around Zero Trust, network segmentation, and secure multi-tenancy. Architecture & Operations Design and maintain highly available, fault-tolerant network topologies across data centers and cloud regions. Lead implementation of Palo Alto firewalls and security services, including Panorama, GlobalProtect, and Threat Prevention. Apply best practices in network segmentation to isolate workloads, enforce least privilege, and reduce lateral movement risk. Oversee deployment of VPNs, load balancers, and SDN technologies. Security & Compliance Implement and manage IAM, PAM, and encryption protocols across network layers. Ensure compliance with ISO27001, SOC 2, CMMC, and internal security policies. Partner with GRC and legal teams to support audits and risk assessments. Team & Vendor Management Lead a global team of network security engineers and architects. Manage vendor relationships for hardware, software, and managed services. Mentor junior staff and foster a culture of continuous improvement and security-first thinking. Qualifications 10+ years of experience in network security, with at least 5 years in a leadership role. Proven expertise in private cloud networking (OpenStack Neutron, SDN, VXLAN, BGP, etc.). Extensive hands-on experience with Palo Alto Networks technologies and security platforms. Strong knowledge of network segmentation strategies and Zero Trust architecture. Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. Relevant certifications (e.g., CISSP, PCNSE, CCNP Security) are a plus. Preferred Attributes Experience in regulated environments (e.g., healthcare, finance, government). Strong communication and stakeholder management skills. Ability to thrive in a fast-paced, globally distributed environment. Join the Kaseya growth rocket ship and see how we are #ChangingLives ! Additional Information Kaseya provides equal employment opportunity to all employees and applicants without regard to race, religion, age, ancestry, gender, sex, sexual orientation, national origin, citizenship status, physical or mental disability, veteran status, marital status, or any other characteristic protected by applicable law. Seniority level Seniority level Director Employment type Employment type Full-time Job function Job function Information Technology Industries Software Development Referrals increase your chances of interviewing at Kaseya by 2x Get notified about new Network Security Manager jobs in Norwalk, CT . Manager, Managed IT & Security Services- Virtual Greenwich, CT $175,000 - $50,000 2 weeks ago Marketing Manager, Network and Security Products Monroe, CT 102,720.00 - 128,400.00 2 days ago Director, Senior Cloud Security Architect Director, Senior Cloud Security Architect We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr

The Network Security Operations Specialist is responsible for ensuring the stability and performance of network security infrastructure. This role leads the detection, triage and resolution of business-impacting incidents, collaborating with technical teams and third-party providers to restore service and prevent recurrence. Key Responsibilities Serve as the primary point of contact for critical network security incidents, leading bridge calls and coordinating response efforts. Monitor perimeter security components (firewalls, IDS/IPS, proxies, DDI, load balancers) and interpret alerts, dashboards and logs to identify potential service impacts. Perform root-cause analysis and work with engineering teams to implement permanent fixes. Develop and maintain accurate incident documentation, run-books and post-mortem reports. Create simple automation scripts or workflows to streamline incident handling and reporting. Liaise with vendors and external suppliers to escalate complex issues. Communicate incident status and technical details clearly to stakeholders and update knowledge-base articles. Uphold operational standards and governance policies during triage, testing and remediation activities. Required Skills & Experience 8+ years’ experience in an enterprise network operations or security support environment. Deep understanding of perimeter security technologies, including next-generation firewalls (e.g., Check Point, Palo Alto, Fortinet, Cisco Firepower, Juniper SRX) and IDS/IPS solutions. Proficiency with NAT, stateful firewall concepts, HA/clustering protocols and policy management. Hands-on experience with tunneling protocols (SSL/TLS, IPsec, GRE) and DMZ/Internet security architectures. Familiarity with DDI solutions (DNS, DHCP, IPAM), proxy/DLP technologies and load balancers (e.g., F5 LTM/APM, NSX AVI). Solid knowledge of PKI concepts (certificates, trust chains, CRLs, OCSP). Strong troubleshooting skills and the ability to align actions with business impact and service-restoration goals. Excellent verbal and written communication skills and experience interfacing with stakeholders at all levels. Demonstrated ownership and accountability, with the ability to hold others to account professionally. Flexible approach to working hours, including participation in on-call rotations. Desired Skills & Qualifications Relevant industry certifications (e.g., CCNP Security, CISSP, CCIE Security). Experience with network automation and scripting (Python, Ansible, Shell, REST APIs). Familiarity with ITIL best practices, incident/problem management and change control processes. Exposure to Agile methodologies and tools (JIRA, Confluence). Experience using configuration-management or network-mapping We regret to inform that only shortlisted candidates will be notified. EA Registration No: NG XUAN, R24123530 Allegis Group Singapore Pte Ltd, Company Reg No. 200909448N, EA License No. 10C4544 #J-18808-Ljbffr

• Experience providing network and security solutions at a high technical level.
• Comfortable with Routers, Switches, Firewalls and wide area communications.
• Experience with some or all of the following: Aruba/HPE, Palo Alto, Fortinet, Arista, and Cisco
• Excellent interpersonal, written and verbal communication skills.
• Working under pressure, multitasking between simultaneous projects and responding to deadlines.
• Flexible, tenacious, highly self-motivated, and committed to achieving goals.

• Smart, flexible, diligent, and professional - willing to work hard but have fun doing it.
• Able to comprehend and understand network equipment, and to identify issues that may be causing problems.
• Maintain a sense of urgency and goal orientation.
• Straightforward, honest, team player.
• You love learning and you love technology.

WhatsApp: +65 90820021 (Kyler) Email: 5 days, 8.30am to 6pm Salary Range: $3,500 - $5,000 Location: Penjuru, Singapore (Transport Pickup Provided at: Jurong East, Choa Chu Kang, Bishan & Serangoon) Job Description: As an Associate Technical Lead , you will play a key role in supporting, deploying, and maintaining next-generation cybersecurity products and solutions. Responsibilities: Providing technical support, on-site installation, and post-installation assistance for cybersecurity solutions. Engaging in product/solution architecture design and testing. Collaborating closely with partners and customers on projects across the region. Ad-hoc tasks as assigned. Requirements: Degree/Diploma in Information Technology, Computer Science, or a related field. Hands-on experience in IT infrastructure or cybersecurity implementation / operations. Professional certifications in cybersecurity or network security (e.g., CISSP, CEH, CompTIA Security+) are an advantage. The Supreme HR Advisory Pte. Ltd | 14C7279 Gan Kai Le | R23112683 #J-18808-Ljbffr