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Network Security Analyst

Responsibilities

We are seeking a skilled and detail-oriented Network Security Analyst with a strong focus on firewall technologies to join our IT security team. This role is ideal for professionals with a solid networking foundation and hands-on experience with Cisco ASA and Firepower Next-Generation Firewalls. The ideal candidate will contribute to the design, implementation, and support of secure, scalable, and high-performing network environments across enterprise infrastructures. This is a hybrid, contract-to-hire position based in Lakewood, Colorado.

Qualifications

  • Must have Bachelor's degree in related field and a minimum of 2 years of related experience
  • Must be able to participate in after-hours work as required for on-call and system implementations
  • Must have experience in administering enterprise-level next-generation Firepower firewall technology with a medium to large organization knowledge, skills, and abilities
  • Hands-on experience with routing protocols such as OSPF, EIGRP, and BGP.
  • Experience with VPN configuration and support.
  • Familiarity with WLAN technologies and optimization techniques.
  • Basic understanding of voice technologies (VoIP, SIP, voice gateways) and contact center infrastructure.
  • Administer and support enterprise-level firewall and intrusion prevention systems, with a specialization in Cisco ASA and Firepower NGFW.
  • Assist with planning, implementation, and maintenance of VPNs, including third-party integrations.
  • Perform regular audits and optimizations of firewall configurations across data center, campus, wireless, and WAN environments.
  • Physical Requirement: Occasionally moves about inside the office to access file cabinets, office machinery, and other rooms
  • The candidate must have a car, as this position requires travel between location and the transportation of equipment
  • A valid driver’s license and proof of vehicle insurance will be required
  • Legally authorized to work in the US without sponsorship
  • Must demonstrate a “can-do” attitude

 

We focus on candidates that display our “ACE” factor – Attitude, Compassion, and Enthusiasm to deliver quality solutions with exceptional customer service.

 

Compensation Range:  $50/hr-$60/hr

 

 

What you get:

We offer weekly competitive pay, medical, dental, vision, 401K and more.

Overview

MOTIVATED…..make IT happen!

 

 

Sentinel Technologies, Inc. has been rated a top workplace every year since 2012!

 

About Us:      

Sentinel delivers solutions that can efficiently address a range of IT needs – from security, to communications, to systems & networks, to software applications, to cloud and managed services; all of which include our staffing solutions for our clients. Since 1982, Sentinel has grown from providing technology maintenance services to our current standing as one of the leading IT services and solutions provider in the US. We have aligned with many of today’s global technology leaders including Cisco, Dell, VMware and Microsoft. Sentinel services customers both nationally and internationally with primary support operating centers in Downers Grove (HQ), Chicago, and Springfield, IL; Phoenix, AZ.; Lansing, and Grand Rapids, MI; Milwaukee, WI; and Denver, CO.

 

If you are MOTIVATED… you can make IT happen at Sentinel. Our commitment to our employees is to create a work environment that encourages creativity, an entrepreneurial spirit, fosters growth through certification and hands-on training, and values a team-oriented culture with rewards based on impact!

 

If you share our passion about what technology can do and want to be part of a top workplace environment – we’d like to have you join our team.  Learn more at www.sentinel.com/careers.

 

As part of Sentinel's employment process, candidates will be required to complete a background check. Only those who meet the minimum requirements will be contacted. No phone calls please.

 

Sentinel is proud to be an equal opportunity employer including disability and veterans. In accordance with Title VII and state regulations, all qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, marital status, pregnancy, genetics, disability, military, veteran status or any other basis protected by law.

 

If you are an individual with a disability and need assistance in applying for a position, please contact SentinelHR1@sentinel.com.

JFNDNP

Average salary estimate

$114400 / YEARLY (est.)
min
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$104000K
$124800K

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What You Should Know About Network Security Analyst, Sentinel

We are excited to welcome a new Network Security Analyst to our skilled IT security team at Sentinel Technologies, Inc. Located in the picturesque town of Lakewood, this role is perfect for someone with a solid networking foundation and hands-on experience with firewall technologies, particularly Cisco ASA and Firepower Next-Generation Firewalls. As a Network Security Analyst, you will play a pivotal role in designing, implementing, and supporting secure, scalable, and high-performing network environments within diverse enterprise infrastructures. This hybrid, contract-to-hire position offers an incredible opportunity to grow and innovate in the field of network security. Your responsibilities will include administering enterprise-level firewalls and IPS, performing regular audits on configurations, and assisting with the planning and maintenance of VPNs. We are looking for candidates with a bachelor’s degree and at least two years' experience in networking, who are not afraid to tackle challenges after hours when necessary. At Sentinel, we pride ourselves on our “ACE” factor – that Attitude, Compassion, and Enthusiasm that fuels our commitment to delivering exceptional solutions and customer service. If you’re motivated to make IT happen and want to join a leading workplace recognized for its culture and innovation, we invite you to learn more about this opportunity at Sentinel Technologies.

Frequently Asked Questions (FAQs) for Network Security Analyst Role at Sentinel
What are the primary responsibilities of a Network Security Analyst at Sentinel Technologies?

As a Network Security Analyst at Sentinel Technologies, you will be primarily responsible for designing, implementing, and maintaining secure network environments. This includes managing firewall technologies like Cisco ASA and Firepower, conducting audits on firewall configurations, and assisting with VPN implementations and third-party integrations.

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What qualifications do I need to apply for the Network Security Analyst position at Sentinel Technologies?

To apply for the Network Security Analyst position at Sentinel Technologies, you will need a Bachelor’s degree in a related field and a minimum of two years of experience in network security. It is essential to have hands-on experience with routing protocols and firewall technologies, particularly Cisco ASA and Firepower.

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Does the Network Security Analyst role require after-hours work at Sentinel Technologies?

Yes, the Network Security Analyst role at Sentinel Technologies may require participating in after-hours work for on-call duties and system implementations. This flexibility is crucial to ensure the security and performance of the network systems we support.

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What skills and experience are important for a Network Security Analyst at Sentinel Technologies?

Important skills for a Network Security Analyst at Sentinel Technologies include experience with enterprise-level firewall management, knowledge of VPN configuration, and proficiency with routing protocols like OSPF, EIGRP, and BGP. Familiarity with WLAN technologies and voice technologies is also valuable.

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How can I prepare for a successful interview for the Network Security Analyst position at Sentinel Technologies?

To prepare for a successful interview for the Network Security Analyst role at Sentinel Technologies, familiarize yourself with the company's values, review network security best practices, and be ready to discuss your hands-on experience with firewall technologies and relevant certifications.

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Common Interview Questions for Network Security Analyst
What firewall technologies are you proficient in as a Network Security Analyst?

I am proficient in various firewall technologies, with a solid emphasis on Cisco ASA and Firepower Next-Generation Firewalls. My hands-on experience allows me to effectively configure, manage, and troubleshoot these systems to ensure optimal security.

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Can you describe your experience with VPN configuration and management?

Certainly! I have extensive experience with configuring and managing VPNs, including establishing secure connections for remote users. I am familiar with troubleshooting VPN issues and ensuring compliance with security protocols during setup.

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How do you stay updated with the latest trends in network security?

I stay updated with the latest trends in network security through continuous education, attending webinars, participating in professional forums, and following industry-leading publications. This proactive approach ensures that I am aware of emerging threats and security technologies.

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What strategies do you use for auditing firewall configurations?

My strategy for auditing firewall configurations includes conducting regular assessments against best practices, monitoring logs for unusual activities, and utilizing automated tools to detect vulnerabilities. This comprehensive approach helps to maintain robust security.

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Explain a challenging situation you faced as a network security professional and how you resolved it.

In a previous role, I encountered a significant security breach due to misconfigured firewall rules. I quickly assessed the situation, identified the vulnerabilities, and implemented corrective measures to tighten security protocols. I successfully restored secure operations.

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How do you prioritize security tasks in a busy environment?

I prioritize security tasks by assessing their impact on the network and security posture. High-risk vulnerabilities or compliance tasks take precedence, while routine maintenance tasks are scheduled strategically to minimize disruption.

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What is your experience with intrusion prevention systems (IPS)?

I have hands-on experience with intrusion prevention systems (IPS), specifically in deploying and managing IPS in conjunction with firewalls. I constantly monitor IPS alerts to detect potential threats and take appropriate actions.

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How would you handle a request for changes to firewall configurations?

Handling requests for changes to firewall configurations involves a thorough assessment of potential impacts, obtaining necessary approvals, and implementing changes during scheduled maintenance windows. I also ensure to document all changes for auditing purposes.

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What is the importance of a 'can-do' attitude in a Network Security Analyst role?

'A can-do' attitude is crucial in the role of a Network Security Analyst as it encourages adaptability and proactive problem-solving. Network security is an ever-evolving field where challenges arise frequently, and maintaining a positive approach fosters effective solutions.

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Why do you want to work as a Network Security Analyst at Sentinel Technologies?

I am drawn to work as a Network Security Analyst at Sentinel Technologies due to its outstanding reputation as a top workplace and its commitment to employee growth and development. I am excited about the opportunity to contribute to innovative security solutions.

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Sentinel understands the role of technology in business and the value of reliable IT solutions for complex and mission-critical operations. Vastly skilled teams excel in assessing, designing, deploying, and supporting customized solutions in three...

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DATE POSTED
April 9, 2025

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