Network Engineer III
Simpson Thacher & BartlettRole Overview
Simpson Thacher & Bartlett is hiring a senior-level Network Engineer III. This is a full-time role in New York. posted today. applications are still in the early window, before most candidates have applied. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job description
The Senior network Engineer that 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 for maintaining the safety and integrity of our IT infrastructure, ensuring seamless and secure operations across the company. The Senior Network Engineer will directly have an impact on the Firm's ability to safeguard its digital assets, maintain regulatory compliance, and ensure the continuous delivery of high-quality services to our clients and stakeholders.
Essential Job Duties & Responsibilities
- Deep-Expert level proficiency with leading enterprise platforms like Palo Alto networks, PAN OS, Panorama, Cisco and Fortinet as well as the Palo Alto Networks family of Next Gen firewalls, including but not limited to:
- firewall rule creation
- Configuring Policy based forwarding rules
- Create site to site VPNs and SASE targets
- Experienced with deploying Palo Alto SDWAN-IONs
- Architect & Design, deploy, and maintain secure network solutions across on premises, and cloud environments.
- Manage firewall rules and policies to ensure secure and efficient network traffic flow, perform rule base optimization and establish security zones to harden the enterprise
- Conduct regular system audits to assess security risks and compliance with established protocols, ensuring that our network defenses remain impervious to external threats
- Identify vulnerabilities within our network and recommend enhancements to our security posture
- Collaborate closely with other IT teams, including the Identity and Access Management (IAM) and Service Delivery teams, to integrate firewall management with wider security and operational strategies
- Ensure firewall configurations and policies maintain compliance with regulatory frameworks.
- Provide technical support and guidance in network security issues to various departments, enhancing the overall security knowledge within the company
- Stay up to date with emerging security threats and firewall technologies to continuously improve our security framework
- Lead Firewall migration projects using vendor specific tools and oversee hardware/Software upgrades.
- When needed provide technical guidance, training and troubleshooting support to junior network engineers and security engineers.
- Perform other duties as needed
Education
Required
- Bachelor's degree in information technology, Cybersecurity, Computer Science, or a related field, or equivalent professional experience in network security
Skills and Experience
Required
- 7+ years of relevant experience
- Proficient in network protocols, routing and switching concepts, and the ability to troubleshoot complex network security issues
- Ability to perform with little to no guidance from management
- Familiarity with various firewall management tools and security monitoring technologies.
- Excellent analytical and problem-solving skills, with the ability to make quick, informed decisions
- Extreme understanding with Palo Alto Networks Prisma Access VPN solution
- Ability to configure Prisma service connections and Prisma HIP checks
- Familiarity with SASE targets
Preferred
- Legal IT experience a plus but not required
Salary Information
NY Only: The estimated base salary range for this position is $175,000 to $210,000 at the time of posting.
The actual salary offered will depend on a variety of factors, including without limitation, the qualifications of the individual applicant for the position, years of relevant experience, level of education attained, certifications or other professional licenses held, and if applicable, the location in which the applicant lives and/or from which they will be performing the job. This role is exempt meaning it is not overtime pay eligible.
Simpson Thacher will not sponsor applicants for work visas for this position.
Privacy Notice
For information about how Simpson Thacher & Bartlett LLP collects and processes your personal information, please refer to our Privacy Notice available at https://www.stblaw.com/other/privacy-notice.
Simpson Thacher & Bartlett is committed to a collegial work environment in which all individuals are treated with respect and dignity. The Firm prohibits discrimination or harassment based upon race, color, religion, gender, gender identity or expression, age, national origin, citizenship status, disability, marital or partnership status, sexual orientation, veteran’s status or any other legally protected status. This Policy pertains to every aspect of an individual’s relationship with the Firm, including but not limited to recruitment, hiring, compensation, benefits, training and development, promotion, transfer, discipline, termination, and all other privileges, terms and conditions of employment.
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Simpson Thacher & Bartlett
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Frequently Asked Questions
How do I apply for the Network Engineer III position at Simpson Thacher & Bartlett?
Use the Apply button above to submit your application directly to Simpson Thacher & Bartlett. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Network Engineer III position at Simpson Thacher & Bartlett located?
This position is based in New York. Simpson Thacher & Bartlett has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Network Engineer III at Simpson Thacher & Bartlett earn?
Simpson Thacher & Bartlett has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Network Engineer III role at Simpson Thacher & Bartlett posted?
This role was posted on July 24, 2026 (today). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Network Engineer III role at Simpson Thacher & Bartlett require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Simpson Thacher & Bartlett lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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