Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Network Engineer III

Opti9 Tech

Network Engineer III Are you a Network Engineer III with experience working in cloud service provider environment that strives for customer excellence, revels in being a part of constant innovation, and enjoys being an important cog in the Cloud space? If so, then we'd love to hear from you. Opti9 is a trusted cloud solutions provider committed to delivering industry-leading, tailored solutions that meet the unique needs of businesses across a wide range of industries. We are a premier Veeam partner, as well as an AWS Premier Consulting Partner and Certified Solution Provider. Our expertise includes managed cloud, backup and replication, disaster recovery, security, and Microsoft 365 solutions. In the public cloud space, we specialize in migration, optimization, transformation, and cloud-first application consulting. A fun, casual, and collaborative culture that embraces fresh ideas, innovation, and a strong customer-first mindset. At Opti9, we work hard, support each other, and never shy away from a challenge. We believe in balancing results with a positive team spirit—and we're always on the lookout for authentic, accountable individuals who are ready to grow with us and make an impact. As a Network Engineer III, you will be a part of a diverse and talented Cloud Networking team that works with a wide range of physical and logical technologies in the Cloud provider space. As a member of the team, you will be tasked with weekly and monthly customer facing projects that involve pushing our infrastructure to the next level while staying competitive in the marketplace we reside in. You will be pushing the boundaries on SDN, micro segmentation, logical circuit technologies, data center designs and concepts, etc. You will be working across multiple vendors for networking and security products that support our public and private cloud infrastructure. Primarily, this role will be focused on doing new customer deployments across our supporting technologies. This role will require excellent interpersonal skills between internal teams and our customers representing the product workload owners. Also in this role, you will be acting as Tier 3 support to the Cloud Ops and NOC teams as needed outside of regular customer related projects. Primary Responsibilities: Configure and support logical circuit connections across backbone to customer sites and regions such as Megaport, PacketFabric, ExpressRoute (Azure), DirectConnect (AWS), etc. Manage and maintain all data center and Colocation core and distro connectivity all the way down to the access level Manage all Networking/Security monitoring platforms and ensure adherence to customer and infrastructure SLA uptimes Utilize approved tools to verify and take required action on events aggregated from network monitoring tools and Web Application Firewall Troubleshoot and resolve sometimes complex network connectivity issues, adding/modifying NAT entries and firewall rules and initiating routes to enable connectivity Participate in occasional customer-facing projects involving design, diagrams, documentation, and implementation Execute new customer deployments involving NSX, security configurations, VMware Cloud Director network configurations, etc. Manage and maintain all data center and regional capacity on physical and logical circuit technologies supporting our public and private cloud infrastructure Manage, maintain, and improve the Opti9Tech SDWAN and VMware NSX (V/T) SDN infrastructure supporting customer and infrastructure workloads Regularly map and document customer and infrastructure diagrams to current and accurate versions Design and implement automation strategies that improve or co-exist with current automation infrastructure Mature our automation strategy using Python, Nautobot, Ansible, and other automation tie-ins Technical Knowledge and Experience: 6+ years related experience in infrastructure/network environments and designing, planning, documenting and implementing LANs and WANs using latest technology 6+ years related experience with Cisco or Arista routing/switching/firewall products including IOS-XE, IOS-XR, and NX-OS service provider level infrastructure Proficiency in Python, Ansible, or similar automation technology Extensive experience with Cisco/Arista Spine & Leaf Data Center deployments Extensive experience with VMware vSphere, NSX-V & NSX-T SDN technologies VMware Cloud Foundation (VCF) experience a plus Expertise on IP Technologies and extensive knowledge of WAN technologies including both MPLS, SD-WAN, DWDM, etc. Extensive experience and expertise on IP routing protocols such as EIGRP, OSPF, and BGP Advanced understanding of TCP/IP network protocols, including common application protocols Proficiency with monitoring platforms such as Netmon, Solarwinds, Icinga, etc. Knowledge of SASE platforms such as Zscaler, Perimeter 81, etc. Proficiency in Fortinet and Palo Alto UTM next gen firewall technologies General Knowledge and Experience: Strong interpersonal and customer service skills with the ability to work effectively with both local and remote staff, teammates, and managers Willingness to occasionally adjust work schedule to meet business needs (standard is 40-hour week, with occasional after hours and weekend requirements in an on-call fashion) Capacity to work in a fast-paced environment; ability to multi-task, change direction, effectively prioritize, and meet deadlines Proficiency in effectively communicating complex technical concepts in English, both verbally and in writing, to a variety of audiences Experience in high-availability networks in load-balanced, n-tier application environments. Highly effective in documentation and diagram creation for customer and infrastructure needs Strong organizational, oral, and written communication skills Working knowledge of data security best practices Strives to grow within the team and personally as an engineer through education, certs, etc. and must have a "can do" attitude What do you get from us? Unlimited PTO – That's right! Unlimited PTO and paid holidays so you can recharge, take care of what matters, and bring your best self to work Flexible Work Options – Enjoy the flexibility of a hybrid schedule with a mix of remote and in-office collaboration if you're located near one of our offices Health, Dental & Vision Coverage – Comprehensive insurance plans to keep you and your family healthy HSA & FSA Plans – Use pre-tax dollars for healthcare and dependent care expenses. Plus, we contribute to your HSA every paycheck Wellness Reimbursement – An annual benefit to support your physical and mental well-being, covering a wide range of health-related expenses 401(k) with Company Match – Invest in your future with our 401(k) plan and company contribution Casual, Supportive Culture – We keep things laid-back but focused, with a strong emphasis on teamwork and accountability Recognition & Rewards – We celebrate wins and recognize contributions with regular programs that highlight your impact Professional Development – Access learning opportunities, training programs and support for certifications to help you grow your career Give Back Together – Participate in group volunteer opportunities and community initiatives that align with our values Zoo Membership – Unwind outside of work with a 50% reimbursement on your annual zoo membership A Place You'll Want to Be – We're building a team of great people doing meaningful work—and we have fun doing it Opti9 provides equal employment opportunities to all employees and applicants for employment without regard to race, color, ancestry, national origin, gender, sexual orientation, marital status, religion, age, disability, gender identity, results of genetic testing, service in the military, or any other legally protected characteristic. Our hiring process includes AI screening for keywords and minimum qualifications. Recruiters review all results. Opti9 Tech

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Network Engineer III in New York, NY vacancy
  • Focusing on circuit design and network management, the full-time Network Engineer III will perform complex design activities, assist with order fulfillment, and collaborate with internal teams while working onsite. Key responsibilities: Design and plan network circuits... 
    Suggested
    Full time
    Work at office

    Virtual Vocations Inc

    New York, NY
    4 days ago
  • Network Engineer III, IT Department (Schedule may vary based on department needs to include nights, weekends and holidays) realistic hire and a strong candidate will have the below combination: Core skills (must have) Cisco routing & switching BGP / OSPF / VLAN / STP... 
    Suggested
    Work experience placement
    Night shift

    Damco Solutions

    New York, NY
    1 day ago
  • $122.2k - $240.5k

    Position Summary Senior Network Engineer Our Enterprise Networks practice, part of Hybrid Cloud Infrastructure within AI & Engineering, helps clients architect, modernize, and operate the network foundation that underpins their digital and AI-driven ambitions. We... 
    Suggested
    Local area

    Deloitte

    New York, NY
    2 days ago
  • $175k - $210k

    Senior Network Engineer The Senior Network Engineer will play a vital role in fortifying Simpson Thacher's network and security, ensuring the protection of our infrastructure which aligns with our commitment to operational excellence and innovation. The role is critical... 
    Suggested
    Visa sponsorship
    Work visa

    Simpson Thacher

    New York, NY
    3 days ago
  • Senior Network Engineer Candidates MUST be WI residents or willing to relocate to WI at their own expense prior to starting. This position can work 100% remotely (within the state of WI). NO RELO ALLOWED, MUST BE WISCONSIN RESIDENT ALREADY ALL REMOTE WORK MUST BE DONE... 
    Suggested
    Remote work
    Relocation

    Samprasoft

    New York, NY
    1 day ago
  •  ...We're looking for a Software Engineer III to help build the next generation of Al-powered developer tools and automation platforms. You'll be part of an agile team designing, building, and delivering scalable software products end-to-end - writing production-quality code... 

    Techvilla Solutions

    New York, NY
    1 day ago
  • $113.01k - $202.16k

    DescriptionWe are seeking a highly experienced Senior Data Center & Cloud Networking Engineer to join our team in a hybrid capacity (3 days onsite / 2 days remote) at Mount Sinai Health System. This role requires a subject matter expert with deep expertise in modern data... 
    Traineeship
    Local area
    Remote work

    Mount Sinai Health System

    New York, NY
    3 days ago
  • CrowdStrike Holdings, Inc. is seeking a Software Engineer III - Cloud Security (FCS Registration) in a hybrid role in New York, NY. You’ll build Go microservices, RESTful APIs, and scale a CSPM platform, working end-to-end on cloud security for customers. The role emphasizes... 

    CrowdStrike Holdings, Inc.

    New York, NY
    1 day ago
  • $95.6k - $188.4k

    Position Summary Join our Deloitte AI & Engineering team to transform technology platforms, drive innovation, and help make a significant...  ...innovation. Work You’ll Do As a Project Software Engineer III on the Engineering as a Service team, you will design, develop,... 
    Local area
    Flexible hours

    Deloitte

    New York, NY
    1 day ago
  • $125k - $225k

     ...increasing complexity. Relentlessly pursue quality by following engineering best practices including: Appropriate testing paradigms,...  ...opportunities for all employees regardless of level or role Employee Networks, geographic neighborhood groups, and volunteer opportunities... 
    Permanent employment
    Work experience placement
    Work at office
    Local area
    3 days per week
    New York, NY
    12 days ago
  • $95.6k - $188.4k

    Position Summary Our Deloitte AI & Engineering team to transform technology platforms, drive innovation, and help make a significant...  ...innovation. Work you'll do As a Project - Software Engineer III on the Engineering as a Service team, you will be responsible for... 
    Local area
    Flexible hours

    Deloitte

    New York, NY
    1 day ago
  •  ...Job Description Job Description Position: Specialist Level III – Senior Network Engineer Client: CUNY Central Office, 395 Hudson Street, New York, NY (onsite) Start: Around October 21, 2026 Duration: 1 year Hours: 9am–5pm EST, plus after hours/weekends as... 
    Work at office
    Night shift
    Weekend work

    Inizio Partners

    New York, NY
    26 days ago
  •  ...Job Title: Network Engineer II Location: Louisville, KY (Hybrid - 3 to 5 days a week onsite preferred) Engagement: 12+ months...  ...networking tasks while continuing to grow into a Senior/Level III position. You will play a key role in troubleshooting,... 
    Contract work
    3 days per week

    3B Staffing LLC

    New York, NY
    2 days ago
  •  ...Job Title Escalation point for Tier III support issues that are escalated from Tier...  ...areas needed: LAN, WAN, cloud environments, network security and network monitoring,...  ...troubleshooting Working with our business and the engineering team to successfully implement secure LAN... 

    Omni Inclusive

    New York, NY
    4 days ago
  • $136.4k - $225.1k

     ...Opportunity at MSK: Technology Architect III - High Performance Computing At Memorial...  ...appropriate. Optimize compute, storage, networking, and scheduler performance based on...  ...’s degree in Computer Science, Computer Engineering, or a related technical field; advanced... 
    Full time

    Memorial Sloan-Kettering

    New York, NY
    16 hours ago
  • $147k - $210k

    Contribute to the development and delivery of secure, high-quality engineering solutions for Alphabet’s multi-cloud infrastructure, owning...  ...2 years of experience with security engineering, computer and network security and security protocols.2 years of coding experience... 

    Google

    New York, NY
    4 days ago
  • Redefine What's Possible in Structural Engineering - With Apex Structural Engineering At Apex Structural Engineering, we're not just designing...  ...elevates everything. POSITION OVERVIEW The Project Engineer III is an experienced structural engineer with demonstrated... 
    Remote job
    Permanent employment
    Full time
    For contractors
    Immediate start
    Relocation
    Relocation package
    Flexible hours

    Apex Structural

    New York, NY
    2 days ago
  •  ...of Role: TM3 Solutions, Inc. is seeking an expert-level Senior Network Engineer for the CONUS region to support the critical medical mission...  ...DoD 8570 Compliance: Information Assurance Manager (IAM) Level III or equivalent certification per DoD 8570.01-M (most recent version... 
    Contract work
    For contractors
    Local area

    TM3 Solutions Inc

    New York, NY
    1 day ago
  •  ...All reasonable resumes will be responded to!! Job Summary The Network Engineer is responsible for the design, implementation, administration,...  ...procedures, and disaster recovery plans. • Provide Tier III escalation support and mentor junior IT staff. • Coordinate with... 
    Remote work

    Phaxis

    New York, NY
    1 day ago
  • $147k - $210k

     ...by analyzing the sources of issues and the impact on hardware, network, or service operations and quality.Minimum qualifications:...  ...and system health, diagnosis and resolution, and software test engineering. Google's software engineers develop the next-generation technologies... 

    Google

    New York, NY
    1 day ago
  • $147k - $210k

     ...by analyzing the sources of issues and the impact on hardware, network, or service operations and quality.Minimum qualifications:...  ...and system health, diagnosis and resolution, and software test engineering. Google's software engineers develop the next-generation technologies... 
    Worldwide

    Google

    New York, NY
    16 hours ago
  • $108k - $207k

     ...Solutions Architects team collaborates closely with our Field Sales Engineers and Sales Teams to enhance direct engagement with customers...  ...managed services IT, security, or mobility solutions.IP Data Networking experience (routing, switching, load balancing, high... 
    Full time
    Temporary work
    Part time
    Work experience placement
    Shift work

    Verizon

    New York, NY
    3 days ago
  • $152k - $221k

     ...architecture in a customer-facing or support role.Experience with cloud engineering, on-premise engineering, virtualization, or containerization...  ...Modernization, Data Management, Data Analytics, Cloud AI, Networking, Migrations, Security.Experience driving the entire sales... 

    Google

    New York, NY
    1 day ago
  • $134.5k - $265.1k

    Position Summary As a Cyber Forward Deployed Engineer (FDE), you will work at the intersection of client engagement and hands-on...  ...12/31/2026.Work you'll doAs an Engineering and Product Engineer III on the Cyber Engineering team, you will be responsible for:Translating... 
    Local area
    Visa sponsorship

    Deloitte

    New York, NY
    16 hours ago
  • System Administrator - Level III Client is seeking a System Administrator - Level III to provide support for implementation, troubleshooting...  ...and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and... 
    Local area

    Beyond SOF

    New York, NY
    6 hours ago
  • $120k - $180k

     ...increasing complexity.Relentlessly pursue quality by following engineering best practices including: Appropriate testing paradigms,...  ...opportunities for all employees regardless of level or roleEmployee Networks, geographic neighborhood groups, and volunteer opportunities... 
    Permanent employment
    Full time
    Work experience placement
    Work at office
    Local area
    3 days per week

    CrowdStrike

    New York, NY
    16 hours ago
  • $174k - $252k

     ...patterns and friction points in Google’s AI stack, converting them into reusable modules or formal product feature requests for the Engineering teams.Co-build with a AI partner’s forward deployed engineering team to instill Google-grade development best practices.Help... 
    Worldwide

    Google

    New York, NY
    4 days ago
  • $137.5k - $193.6k

     ...strategists, data scientists, operators, creatives, designers, engineers, and architects. Our team balances business strategy, technology...  ...December 5, 2026Work you'll doAs an AI and Data Science Engineer III on the Advertising, Marketing & Commerce team, you will be responsible... 
    Local area

    Deloitte

    New York, NY
    3 days ago
  • $140k - $224.25k

    The NVIDIA Experience (NVEX) Solutions Engineering team is looking for a senior Computer or Software Engineer who is ready to become an authority in ground-breaking network technology used in AI clusters. Our team of software engineers bridge the gap between the customer... 
    Full time
    Weekend work

    Nvidia

    New York, NY
    2 days ago
  • $105.4k - $207.8k

    Position Summary Our Deloitte AI & Engineering team works to transform technology platforms, drive innovation, and help make a significant...  ...growth through innovation.Work you'll do As a Data Engineer III on the AI & Data team, you will be responsible for… Designing,... 
    Local area

    Deloitte

    New York, NY
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Network Engineer III. Be the first to apply!