Sr. Engineer, Project Engineering

K2 Services LLC; Chicago (IL); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) retirement plan

Paid Time Off (PTO)

Job summary

Opensity Solutions seeks a Sr. Network Engineer to design and implement robust, secure network architectures supporting enterprise operations. You will collaborate with cross‑functional teams to ensure reliability, performance, and scalable infrastructure across LAN/WAN/WLAN/SD‑WAN environments.

The role emphasizes security, capacity planning, and vendor management, with a preference for Chicago area candidates, but open to qualified US applicants.

Qualifications

• 7-10+ years in network engineering with design/implementation focus.
• 3+ years hands-on Palo Alto firewall experience.
• 5+ years with Layer 3 routing and switching.
• 5+ years Arista switching in enterprise environments.
• 1+ year Arista wireless solutions experience.
• 2+ years Azure networking and cloud connectivity exposure.
• Fortinet firewalls and security technologies familiarity.
• Meraki wireless networking exposure.
• Experience with MSP networks across multiple clients.

Responsibilities

• Design and develop enterprise network architectures (LAN/WAN/WLAN/SD-WAN).
• Lead network implementation and configuration of routers, switches, firewalls and load balancers.
• Collaborate with security to define access controls and IDS/IPS policies.
• Develop monitoring metrics with Tooling teams to identify bottlenecks and latency.
• Coordinate with vendors and internal teams for project delivery and budgeting.

Skills

Years of experience

Palo Alto firewalls

Layer 3 routing

Arista switching

Arista wireless

Azure networking

Fortinet firewalls

Meraki wireless

Extreme Networks

Dell switches

MSP experience

Network security

Education

Bachelor's degree in CS/IT

Tools

Palo Alto Networks

Arista OS

Fortinet FortiOS

Meraki Dashboard

Extreme Networks

Dell Networking

Job description

About Us

Opensity Solutions is the largest tech‑enabled managed services organization serving leading law firms, financial institutions and professional services firms. At Opensity, we provide integrated operational platforms, automation and advisory services that enable clients to modernize operating models, reduce cost and accelerate growth. Our capabilities include IT and technology solutions, document processing and administrative support, marketing and communications, billing and AP/AR services, records and information governance, workflow automation, consulting and hospitality and facilities services. Our Mission: Our mission is to provide modernized technology platforms, elevated technology support, and valuable insights, empowering our clients to excel in what they do best.

Job Description

The Sr. Network Engineer, Project Engineering at Opensity Solutions, is a key role responsible for designing and implementing robust, scalable, and secure network infrastructure solutions to support the organization's operations. This position requires a deep understanding of networking technologies, strong architectural skills, and the ability to collaborate effectively with cross‑functional teams to ensure the reliability, performance, and security of the network environment. Preferred hiring location is Chicago area but this position is open to candidates in the US.

ROLES & RESPONSIBILITIES

Network Architecture and Design

Propose the design and development of enterprise network architectures, including LAN, WAN, WLAN, and SD‑WAN technologies, to meet business requirements and objectives. Evaluate existing network systems and architectures, identifying opportunities for improvement, optimization, and standardization to enhance reliability, scalability, and performance.

Business Development, Scoping & Mentoring

Partner with business development teams to create project plans and scoping for new business opportunities related to network projects. Work with internal stakeholders to ensure projects are delivered within budget and are successful in delivery. Drive project efficiency and effectiveness through coaching and mentoring; develop deployment strategies that enable continued improvement.

Network Implementation and Configuration

Complete network infrastructure integration projects as required. Implement and configure network infrastructure components, including routers, switches, firewalls, and load balancers, ensuring proper setup, integration, and interoperability. Collaborate with system administrators and security teams to configure network security policies, access controls, and intrusion detection/prevention systems.

Network Performance Optimization

Work with Tooling teams to develop monitoring metrics that proactively identify bottlenecks, congestion, and latency issues. Provide feedback and assist with developing standards with Enterprise Architecture to optimize network performance and user experience. Conduct capacity planning assessments to forecast bandwidth requirements and ensure adequate capacity to support business growth.

Network Security and Compliance

Implement and enforce network security best practices including encryption, VPNs, and network segmentation to protect sensitive data and ensure regulatory compliance. Work with Security teams to conduct regular security audits, vulnerability assessments, and penetration tests to identify and remediate weaknesses in network infrastructure.

Incident Response and Disaster Recovery

Develop and maintain incident response and disaster recovery plans for network systems, ensuring timely detection, escalation, and resolution of incidents. Coordinate with incident response teams and service providers to restore network services in the event of outages, disruptions, or security breaches.

Documentation and Knowledge Management

Create and enforce documentation standards across the team. Document network configurations, diagrams, and procedures, maintaining comprehensive and up‑to‑date records to support operational activities and knowledge transfer. Provide training and knowledge‑sharing sessions to IT staff and stakeholders on network technologies, best practices, and procedures.

Vendor Management and Relationship Building

Manage vendor relationships and partnerships, including contract negotiations, SLAs, and performance reviews, to ensure alignment with organizational goals. Collaborate with vendors and third‑party providers to evaluate and implement new networking technologies and solutions.

KNOWLEDGE, SKILLS & ATTRIBUTES

Strong technical expertise in networking technologies and protocols, including TCP/IP, VLANs, OSPF, BGP, MPLS, VPNs, and DNS. Proficiency in network hardware and software, including routers, switches, firewalls, load balancers, and network management tools. Excellent architectural and design skills, with the ability to develop scalable and resilient network architectures. Solid understanding of network security principles and best practices, including encryption, access controls, and security policies. Strong communication and collaboration skills, with the ability to work effectively with cross‑functional teams and stakeholders. Proven ability to manage multiple projects and priorities in a fast‑paced environment. Commitment to continuous learning and staying current on emerging networking technologies and industry trends.

QUALIFICATIONS

• Experience 7-10+ years of progressive experience in network engineering, with a strong focus on the design, implementation, and support of enterprise network infrastructure.
• 3+ years of hands‑on experience with Palo Alto firewalls, including implementation, administration, and troubleshooting.
• 5+ years of experience with Layer 3 networking technologies, including routing, switching, and network architecture.
• 5+ years of experience working with Arista switching technologies in enterprise environments.
• 1+ year of experience with Arista wireless solutions.
• 2+ years of experience supporting or implementing Azure networking and cloud connectivity solutions.
• Prior experience with Fortinet firewalls and security technologies.
• Experience with Meraki wireless networking solutions.
• Exposure to Extreme Networks switching technologies.
• Experience supporting Dell switching environments.
• Previous Managed Services Provider (MSP) experience, with demonstrated success delivering network solutions across multiple client environments.

Education & Certifications

Bachelor's degree in Computer Science, Information Technology, or a related field.

Relevant certifications such as CCNP, CCIE, or CISSP preferred.

Credentials

Demonstrated experience leading network architecture projects, with a track record of delivering reliable, scalable, and secure network solutions.

The Compensation range for this role is 100,000 to 130,000 USD per year and may be eligible for an annual bonus. Actual compensation within that range will be dependent upon the individual's location, skills, experience and qualifications.

All eligible employees receive access to a comprehensive benefits package, including:

• Medical insurance
• Dental insurance
• Vision insurance
• 401(k) retirement plan
• Paid Time Off (PTO)

#LI-ML2

Opensity is committed to fostering an inclusive, equitable, and accessible workplace. We believe diverse perspectives strengthen our teams and the work we do for our clients. Opensity provides equal employment opportunities to all applicants and employees and does not discriminate on the basis of race, colour, religion or creed, sex, sexual orientation, gender identity or expression, age, national or ethnic origin, ancestry, citizenship, disability, family status, marital status, source of income, record of offences, or any other characteristic protected under applicable federal or provincial human rights legislation. We are committed to fair and barrier free recruitment, selection, and employment practices, and to providing reasonable accommodation throughout the hiring process and employment lifecycle, in accordance with applicable human rights legislation. Candidates who require accommodation during any stage of the recruitment process are encouraged to advise our Talent team so appropriate support can be provided.

Respect

We believe in treating everyone with dignity, kindness, and empathy. We foster an inclusive culture where diverse perspectives are valued, and mutual respect is the cornerstone of our interactions.

Accountability

We take ownership of our actions and decisions, acknowledging their impact on our team, the organization, and our clients. We strive for transparency and follow through on our commitments, fostering trust and reliability within our community.

Collaboration

We understand that working together yields the best results and that our parts are better together. We actively promote teamwork, open communication, and the sharing of ideas. By embracing diverse talents and perspectives, we create a supportive and innovative environment that encourages collective growth and empowerment.

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