Freelance Full Stack Developer Node Js Jobs in Sioux Falls, SD

Our healthcare industry client is seeking a Senior IT Security Engineer to join their growing cybersecurity team. This individual will play a key role in supporting enterprise security initiatives, with a strong focus on firewall management, network segmentation, and merger/integration activities across a complex environment.

This is an opportunity to work within one of the nation's largest healthcare organizations, helping drive critical security projects while supporting an expanding infrastructure. The ideal candidate will bring deep expertise with Palo Alto firewalls and have experience making strategic security recommendations during organizational transitions and integrations.

The organization is currently experiencing increased demand due to multiple merger and integration initiatives, creating a need for additional cybersecurity expertise. This engineer will help support enterprise network security efforts, improve firewall governance, and contribute to the successful integration of acquired environments.

Key initiatives include:

• Supporting merger and acquisition integration projects
• Enhancing enterprise firewall strategy and policy management
• Assisting with network and data center segmentation initiatives
• Improving security operations and incident response capabilities
• Evaluating additional Palo Alto use cases across the organization
• Reducing operational workload on existing security team members

• Manage and maintain enterprise firewall environments
• Create, modify, and optimize firewall rules and security policies
• Troubleshoot firewall-related incidents and connectivity issues
• Analyze and strengthen network and data center security controls
• Participate in risk assessments, security audits, and remediation efforts
• Support enterprise segmentation and infrastructure security initiatives
• Collaborate with technical teams during merger and integration activities
• Provide security recommendations and best practices for evolving environments
• Assist with vulnerability management and threat mitigation efforts

• Extensive experience administering Palo Alto firewalls
• Strong background in firewall rule management and policy administration
• Experience troubleshooting complex firewall and network security issues
• Proven ability to lead or support merger, acquisition, or integration-related security projects
• Experience working within enterprise cybersecurity environments
• Knowledge of network security architecture, segmentation, and security controls
• Strong communication skills and ability to provide technical recommendations to stakeholders

• Experience with Check Point firewall technologies
• Experience with FortiGate firewalls
• Data center segmentation experience
• Healthcare industry experience
• Exposure to IPS/IDS, vulnerability management, web filtering, email security, and data protection solutions

• 100% Remote
• Candidates must reside in South Dakota, North Dakota, Minnesota, Wyoming, Iowa, Wisconsin, or Michigan
• Standard business hours: Monday through Friday, 8:00 AM to 5:00 PM CST
• Collaborative and growing cybersecurity team environment

• One 45-minute video interview with the hiring manager and technical lead

• 6+ Month Contract

This is a Contract position based out of Sioux Falls, SD.

The pay range for this position is $60.00 - $75.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully remote position.

This position is anticipated to close on Aug 19, 2026.

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.