Sr. Network Security Engineer

Sr. Network Security Engineer Quest Diagnostics Incorporated flex time, 401(k) United States, Pennsylvania, Norristown May 12, 2026 Job Description The Senior Network Security Engineer is responsible for the design, implementation and multi-tier support of complex enterprise networking solutions.

The primary focus for this position will be supporting the Epic application ecosystem hosted in the cloud.

You will serve as a key technical resource ensuring the security, scalability and high availability of the network infrastructure that enables our critical healthcare applications. You will work with cross-functional engineering teams and architects to drive the evolution of our network strategy. Please note this position will be hybrid (3 days in office & 2 days WFH). The position is based in Schaumburg, IL. This position can be 100% remote if the hybrid criteria are not met. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation.

Benefits Information:

We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, happy lives. Our pay and benefit plans have been designed to promote employee health in all respects - physical, financial, and developmental. Depending on whether it is a part-time or full-time position, some of the benefits offered may include: Day 1 Medical, supplemental health, dental & vision for FT employees who work 30+ hours Best-in-class well-being programs Annual, no-cost health assessment program Blueprint for Wellness healthyMINDS mental health program Vacation and Health/Flex Time 6 Holidays plus 1 "MyDay" off FinFit financial coaching and services 401(k) pre-tax and/or Roth IRA with company match up to 5% after 12 months of service Employee stock purchase plan Life and disability insurance, plus buy-up option Flexible Spending Accounts Annual incentive plans Matching gifts program Education assistance through MyQuest for Education Career advancement opportunities and so much more!

Responsibilities:

Provide input on the design and implementation of network infrastructure, specifically optimized fr Epic cloud hosting Lead and implement functional and enterprise IT projects prioritized to support for Quest's IT strategy Identify and resolve complex operational issues involving authentication, wireless and multi-routing infrastructure Assist in business planning, including developing quotes, proposals, assessing needs and interacting with business stakeholders Train and mentor team members to foster a high performing team Analyze, test, document, implement, and provide operational support assistance across all corporate networking infrastructure and services. Prepare and maintain up to date documentation for internal and external customers detailing the configuration of the solutions deployed. Drive continual evolution and support of the network plan for consistency and growth. Resolve and troubleshoot operational issues involving authentication, wireless, routers, switches, DDI, Cloud and VPN in a multi-routing (OSPF, BGP, static) infrastructure.

Qualifications:

Required:

6+ years of technical network engineering experience in an enterprise environment (routing, switching and firewalls) Strong analytical and organizational skills with a strong attention to detail Excellent verbal and written communication with the ability to translate technical concepts for business stakeholders Proven ability to multitask, prioritize multiple initiatives and perform under pressure in an on-call rotation

Preferred:

10 + years of experience in enterprise network engineering specifically in the healthcare or highly regulated environment Experience with cloud-based networking Azure, AWS and GCP specifically for Epic application hosting Advanced knowledge of Cloud Networking (Azure/AWS/GCP), Cloud Transit Gateways, express routes, Load Balancing (Cloud Native, F5 and Citrix ADC)) and Fortinet Firewalls.

Physical and Mental Requirements:

Ability to multi-task Analytical skills Ability to follow verbal or written instructions, thinking analytically Communication, using effective verbal communication, using effective written communication Handling stress & emotions, concentrating on tasks, making decisions, adjusting to change, Examining/observing details. Ability to design agile and innovative solutions.

Travel:

Domestic travel less than 25%

Required Education:

BS in computer science, information technology, or equivalent professional work experience

Preferred Technical Training or Professional Licensing:

CISCO Certified Network Professional (CCNP) or Security (CCNP Security) Certified Network Security Engineer (PCNSE) Fortinet Network Security Expert (NSE) certifications Cloud specific networking certifications in Azure Solutions Architect, AWS Certified Advanced Networking English language required. 55578 Quest Diagnostics honors our service members and encourages veterans to apply. While we appreciate and value our staffing partners, we do not accept unsolicited resumes from agencies. Quest will not be responsible for paying agency fees for any individual as to whom an agency has sent an unsolicited resume.

Equal Opportunity Employer:

Race/Color/Sex/Sexual Orientation/Gender Identity/Religion/National Origin/Disability/Vets or any other legally protected status.