58 Network Security jobs in the United States

This is a full-time position with Tecknomic supporting the Office of the Chief Financial Officer (OCFO). This hybrid role requires onsite presence 3 days per week. Applicants must provide proof of Covid-19 vaccination.

This position closes on 7/11/2025 .

Candidates must be local to the DMV area for this hybrid (3 days onsite) role.

Senior Network Security Engineer II is responsible for designing, implementing, operating, and securing the OCFO network and security infrastructure.

Responsibilities:

1. Monitor and analyze data traffic patterns within the OCFO network infrastructure.
2. Identify network problems and recommend improvements for optimal performance.
3. Enhance network quality and security, staying informed about the latest threats and mitigation strategies.
4. Configure routers, switches, firewalls, and other appliances according to OCFO security standards.
5. Monitor security measures to prevent breaches and unauthorized access.
6. Respond to and resolve complex technical issues escalated to the Network Engineer level.
7. Coordinate with relevant personnel for network improvements and communicate resolutions.
8. Analyze incident trends to prevent future issues and improve customer service.
9. Provide network design services.
10. Work with the Infrastructure Services Group on network changes.
11. Ensure adherence to network policies and manage production and disaster recovery networks.
12. Perform forensic and packet analysis.
13. Configure and operate network security monitoring and logging systems.

Qualifications:

1. Experience in building large-scale, multi-site network architectures.
2. Experience with secure remote access/WAN technologies such as IPsec, VPN, etc.
3. Knowledge of network-based and system-level attack mitigation methods.
4. Experience with Cisco Firepower (NGFW) or Cisco ASA Firewalls.
5. Experience with security routing protocols.

Technical Skills:

Proficiency with Cisco Firepower, Cisco ASA Firewalls, Cisco ISE 2.0+, Cisco NGFW, Cisco AMP, and related security systems.

Benefits:

• Health, Dental, and Vision Benefits
• Paid Time Off: Public Holidays, Vacation, and Sick Days
• 401K Retirement Plan

Summit Technologies, Inc. is looking for a Network Security Engineer to join our team supporting an important US government agency in the D.C. metro area. This is an exciting opportunity to work with a team responsible for various Network Security Tools. The successful candidate will support Network Security Tool engineering, administration, maintenance, and modernization efforts, reporting to the Security Operations Manager. This is a hybrid role based in Washington, DC. Candidates must be eligible for a Public Trust clearance.

• Provide technical hands-on support for various Security Tool engineering and Administration of SASE, EDR, DLP, Web Proxy, Email Security, IDPS, Firewall and SIEM Technologies.
• Create deployment / update / upgrade plan and perform work as outlined.
• Perform routine health checks, maintenance tasks, update, upgrade, and implement new capabilities.
• Troubleshoot Network Security Tools issue, escalate the issue and work with tool vendors to resolve issues.
• Support the deployment of new Network Security Tools when needed.
• Develop, execute, and improve work instructions and other technical documentation related to Network Security Tool update, upgrade, and health check.
• Analyze performance issue of Security Tools using variety of tools.
• Effectively and accurately document work in various formats including work instructions, change management requests, incident tickets, and email.
• Improve efficiency through process improvement and automation.
• The individual must have hands-on technical knowledge of some of the following: SIEM, Networking, Linux administration, Windows administration, Scripting, and automation.
• The individual must be able to communicate effectively with minimum supervision verbally and in writing. Must be able to use Word, PowerPoint, and SharePoint effectively.

• Three (3) or more years of experience providing hands-on technical support SASE, EDR, DLP, Web Proxy, Email Security, IDPS, Firewall and SIEM Technologies.
• Two (2) years of experience in administering Operation systems (Windows and Linux)
• One (2) or more years of experience in administering SIEM
• Two (2) years of experience in scripting and automation
• Two (2) years of experience developing, executing, and improving work instructions and other technical documentation related to Security Tool Administration.

• Bachelor's degree plus five (5) years of related information security experience otherwise eight (8) years of work experience.

• Industry standard cybersecurity certification (e.g. Security+)

• Must be able to obtain a Public Trust clearance.

If you feel you are qualified and want to be considered for this position, please supply the following to: , and please put the job number ‘6812’ in the subject line:

• Updated resume including MM/YYY for each employer.
• Best times/dates to interview (plus phone # you can best be contacted at).
• Availability to start once given formal offers.

Summit Technologies Inc. appreciates your interest. We will contact the best matching prospects and will consider you for future opportunities. We will not submit your resume without your prior knowledge and consent. We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, disability or veteran status.

Since its founding in 2015, 1X has been at the forefront of developing advanced humanoid robots designed for household use. Our mission is to create an abundant supply of labor via safe, intelligent humanoids.

We strive for excellence in all we do, solving some of the hardest problems in robotics with the world’s most talented individuals. Every part of our robots is designed and produced in-house—from motor coils to AI—reflecting our vertically integrated approach.

Position Overview: The Network Security Engineer will architect, design, implement, optimize, secure, and troubleshoot the comprehensive networking environment for all 1X networks. This includes responsibility for networks at corporate offices, cloud assets, facilities, co-located data-centers, and other 1X owned or operated sites, including local networks, interconnections, wired, wireless, and service provider connections. The role also encompasses site builds and secure office network deployments.

Key Responsibilities:

Architect, design, and implement secure and optimized network solutions for various 1X locations including cloud infrastructure, data centers, offices, and facilities.

Manage and execute site builds including secure office network deployments.

Secure, configure, implement, and manage wireless network environments ensuring best practices in wireless network security.

Troubleshoot network issues across wired, wireless, and service provider interconnectivity to ensure maximum network availability and performance.

Continuously optimize networks for performance, scalability, reliability, and security.

Collaborate with IT and business teams to define requirements and deliver robust networking solutions.

Develop and maintain comprehensive documentation including network diagrams, configurations, procedures, and policies.

Occasional travel both local and domestic.

Required Qualifications:

Bachelor’s degree in Computer Science, Information Technology, or related field, or equivalent experience.

Minimum 5 years of experience in network architecture, design, security, and troubleshooting.

Demonstrated proficiency in wireless network security, configuration, implementation, and design.

Strong expertise in secure design concepts such as IPSEC, TLS, IGP and EGP routing protocols, and networking optimization.

Experience designing and managing secure network architectures across hybrid environments (cloud and on-premises).

Familiarity with industry-standard technologies and design principles in networking and security.

Professional certifications such as CISSP, CCNP Security, CCIE, or equivalent certifications are highly preferred.

Excellent analytical and problem-solving skills, with an ability to diagnose and resolve complex network security issues.

Strong communication and interpersonal skills with the ability to effectively collaborate across teams.

Experience and knowledge of RADIUS Configuration and Deployment.

Preferred Qualifications:

Experience with SD-WAN, Zero Trust architecture, and modern cloud security practices.

Hands-on experience with public cloud networking (AWS, Azure, Google Cloud).

Ability to automate and script network tasks using Python, Ansible, or other automation tools.

Location

We believe the best work is done when collaborating and therefore require in-person presence in Palo Alto, CA.

We are a value driven team, these are the ideas that express our team’s culture and how we work:

Be Nice

Collaboration is our driving force. Our team creates an open, trusting environment where everyone can be their most creative.

Stay Smart

A world-changing team needs the brightest minds in every discipline. This is where people come to work, learn, and grow to their full potential.

Make History

Everything we do gets us closer to one ambitious vision: Creating an Abundant Supply of Labor using Safe, Intelligent Humanoids. We believe what we build today will impact generations.

We are an inclusive environment and value diversity of background, experiences and thought, and welcome applicants from diverse backgrounds to contribute to our mission.

Salary Range: 139,340 - 173,700

Health, dental and vision insurance

401(k) with company match

Paid time off and holidays

We're excited to get to know you and the prospects of having you on board!

or

Our mission is to design Androids that work alongside people, to meet the world’s labor demands and build an abundant society.

• Applying business process engineering concepts and methods sufficient to lead/conduct studies; designing and implementing solutions to maintain and enhance the security of OCFO information systems and networks including firewalls, Intrusion detection/prevention systems, port and VLAN level filtering, network monitoring, compliance tools, audit logging, password management, anti-spam and virus systems, patch management systems and other related network and system security systems and processes (on-premise and cloud);


• Developing policies and procedures to ensure reliability, accessibility and to prevent unauthorized access to systems, networks, and data; conducting risks and vulnerability assessments; and conducting systems security evaluations, audits, and reviews.


• Performs other related duties as assigned.
  

Join to apply for the Network Security Engineer role at Motion Recruitment

Join to apply for the Network Security Engineer role at Motion Recruitment

Responsibilities
A growing cyber security consulting firm is seeking a Network Security Engineer to join a highly collaborative cybersecurity team supporting enterprise-level infrastructure. This role is ideal for a seasoned network engineer with deep expertise in network security, threat mitigation, and incident response. You’ll design and maintain secure network architectures, monitor for anomalies, and play a key role in strengthening the organization’s overall security posture. This is a 6-month Contract-to-Hire role based in Washington, DC, requiring onsite work three days per week.

• Design, implement, and maintain secure network architectures and controls aligned with cybersecurity best practices
• Analyze network traffic to detect anomalies, threats, and vulnerabilities
• Lead incident response for network-related security events and coordinate with SOC and security teams
• Provide technical leadership and act as a subject matter expert on network security across teams
• Mentor and support junior network engineers in secure networking concepts and practices
• Maintain documentation for network architecture, security procedures, and incident response activities
  

• Design, implement, and maintain secure network architectures and controls aligned with cybersecurity best practices
• Analyze network traffic to detect anomalies, threats, and vulnerabilities
• Lead incident response for network-related security events and coordinate with SOC and security teams
• Provide technical leadership and act as a subject matter expert on network security across teams
• Mentor and support junior network engineers in secure networking concepts and practices
• Maintain documentation for network architecture, security procedures, and incident response activities
  

• 5+ years of professional experience in network engineering with a strong cybersecurity focus
• Proficiency with network security protocols, firewalls, VPNs, IDS/IPS, and segmentation strategies
• Hands-on experience analyzing network traffic and developing mitigation strategies
• Strong collaboration skills and experience guiding SOC or security teams on network defense
• Excellent communication skills—written, verbal, and interpersonal
• Bachelor’s degree in Cybersecurity, Information Technology, or related field
• Relevant certifications preferred: CCNP, CISSP, CEH, Security+, Network+
• Must be eligible for Public Trust Clearance
  

• Seniority level Mid-Senior level

• Employment type Contract

• Job function Information Technology
• Industries Staffing and Recruiting

Referrals increase your chances of interviewing at Motion Recruitment by 2x

Get notified about new Network Security Engineer jobs in Washington, DC .

Washington, DC $77,600.00-$76,000.00 2 hours ago

Washington, DC 77,600.00- 176,000.00 7 hours ago

Suitland, MD 104,650.00- 189,175.00 5 days ago

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This is a full-time position with Tecknomic supporting the Office of the Chief Financial Officer (OCFO). This hybrid role requires onsite presence 3 days per week. Applicants must provide proof of Covid-19 vaccination.

This position closes on 7/11/2025 .

Candidates must be local to the DMV area for this hybrid (3 days onsite) role.

Senior Network Security Engineer II is responsible for designing, implementing, operating, and securing the OCFO network and security infrastructure.

Responsibilities:

1. Monitor and analyze data traffic patterns within the OCFO network infrastructure.
2. Identify network problems and recommend improvements for optimal performance.
3. Enhance network quality and security, staying informed about the latest threats and mitigation strategies.
4. Configure routers, switches, firewalls, and other appliances according to OCFO security standards.
5. Monitor security measures to prevent breaches and unauthorized access.
6. Respond to and resolve complex technical issues escalated to the Network Engineer level.
7. Coordinate with relevant personnel for network improvements and communicate resolutions.
8. Analyze incident trends to prevent future issues and improve customer service.
9. Provide network design services.
10. Work with the Infrastructure Services Group on network changes.
11. Ensure adherence to network policies and manage production and disaster recovery networks.
12. Perform forensic and packet analysis.
13. Configure and operate network security monitoring and logging systems.

Qualifications:

1. Experience in building large-scale, multi-site network architectures.
2. Experience with secure remote access/WAN technologies such as IPsec, VPN, etc.
3. Knowledge of network-based and system-level attack mitigation methods.
4. Experience with Cisco Firepower (NGFW) or Cisco ASA Firewalls.
5. Experience with security routing protocols.

Technical Skills:

Proficiency with Cisco Firepower, Cisco ASA Firewalls, Cisco ISE 2.0+, Cisco NGFW, Cisco AMP, and related security systems.

Benefits:

• Health, Dental, and Vision Benefits
• Paid Time Off: Public Holidays, Vacation, and Sick Days
• 401K Retirement Plan

We are seeking a highly skilled Network Security Engineer to join our growing IT security team in London. The successful candidate will play a critical role in ensuring the security, integrity, and resilience of our network infrastructure. You will be responsible for designing, implementing, and managing network security solutions, as well as proactively identifying and mitigating security risks.

1. Design, implement, and manage secure network solutions to protect the organisation’s data and systems.
2. Monitor network traffic and security events to identify vulnerabilities, threats, and potential breaches.
3. Conduct regular security assessments, audits, and penetration testing.
4. Collaborate with IT and security teams to implement firewalls, VPNs, intrusion detection/prevention systems (IDS/IPS), and other security technologies.
5. Develop and enforce security policies, procedures, and best practices to maintain compliance with industry standards.
6. Respond to security incidents, conduct root cause analysis, and implement corrective measures.
7. Maintain up-to-date knowledge of emerging security threats, technologies, and regulatory requirements.
8. Provide technical guidance and training to colleagues on network security best practices.

1. Strong experience in network security engineering, including firewalls, VPNs, IDS/IPS, and secure network architectures.
2. Proficiency in configuring and managing security technologies such as Cisco ASA, Palo Alto, Fortinet, or Check Point firewalls.
3. Knowledge of networking protocols (TCP/IP, DNS, BGP, OSPF, etc.) and security principles.
4. Experience with security monitoring tools such as SIEM, vulnerability scanners, and endpoint protection solutions.
5. Hands-on experience in incident response, threat hunting, and forensic analysis.
6. Familiarity with compliance standards such as ISO 27001, NIST, GDPR, and PCI-DSS.
7. Strong analytical, problem-solving, and troubleshooting skills.
8. Ability to work effectively both independently and as part of a team.

1. Bachelor’s degree in Cyber Security, Computer Science, or a related field.
2. Professional certifications such as CISSP, CISM, CEH, CCNP Security, or equivalent.
3. Experience with cloud security in AWS, Azure, or Google Cloud.
4. Scripting and automation skills using Python, PowerShell, or Bash.

1. Competitive salary based on experience.
2. Hybrid working options.
3. Private healthcare and wellness benefits.
4. Professional development and certification support.
5. Pension scheme and other company benefits.

If you are a passionate Network Security Engineer looking for a challenging role in a dynamic environment, we encourage you to apply.

Apply For Job

A leading Boston-based software client is seeking a Senior Network Engineer to join their high-impact infrastructure team. This is a full-time hybrid position supporting their next-generation technology platform, with a strong emphasis on network automation, scalability, and reliability.

As the company continues to expand its enterprise cloud and data solutions, they are heavily investing in modernizing their core network architecture. This is an exciting opportunity for a seasoned engineer who thrives in fast-paced environments and is eager to shape the future of network infrastructure in a software-driven business.

You will play a key role in driving the design, implementation, and support of high-performance network systems across multiple environments. If you are passionate about next-gen data center networking and automation, this role is built for you.

Duration: 6-month contract with the opportunity for conversion.

• 6+ years of experience
• Experience with Arista, Cisco Nexus, or Juniper hardware
• Knowledge of EVPN/VXLAN, BGP, OSPF
• Experience with Palo Alto or Fortinet firewalls
• Proficiency with network automation tools: Python, Ansible, Terraform
• Cloud networking exposure: AWS, Azure, or GCP

• 70% Networking (L2/L3)
• 20% Automation & Scripting
• 10% Network Security & Firewalls

• 70% Hands-on work
• 30% Team collaboration