6,046 Digital Security jobs in the United States

Applied Medical is a new generation medical device company with a proven business model and commitment to innovation fueled by rapid business growth and expansion. Our company has been developing and manufacturing advanced surgical technologies for over 35 years and has earned a strong reputation for excellence in the healthcare field. Our unique business model, combined with our dedication to delivering the highest quality products, enables team members to contribute in a larger capacity than is possible in typical positions.

Position Description

Are you passionate about cybersecurity? Join Applied Medical as a Network Security Analyst and be at the forefront of protecting our digital infrastructure. As part of our Corporate Applications team, you'll be working onsite at our global headquarters monitoring, analyzing, and responding to network security events, ensuring the confidentiality, integrity, and availability of our systems and data to align with the business goals. The ideal candidate has a strong technical background in networking and cybersecurity, with hands-on experience in threat detection, incident response, and security technologies.

Key Responsibilities

• Threat Detection: Monitor and analyze network traffic using SIEM, IDS/IPS, and other security tools. Develop and optimize detection rules and alerts to enhance threat visibility.
• Incident Investigation: Conduct thorough investigations of security incidents and alerts to determine root cause and impact. Participate in incident response efforts and forensic investigations to contain and remediate threats. Main detailed documentation of incidents, response actions, and risk assessments to support post-incident reviews and compliance requirements.
• Network and Infrastructure Security: Collaborate with IT and Security Operations to implement, configure, and maintain critical network security infrastructure, including firewalls, virtual private networks (VPNs), and intrusion prevention systems. Maintain and improve network segmentation, access control policies, and secure network architecture. Perform vulnerability assessments and support the development and execution of remediation plans. Stay informed about emerging threats, vulnerabilities, and advancements in security technologies.
• Governance and Compliance: Assist in the development, implementation and ongoing maintenance of network security policies, standards, and procedures. Contribute to organizational efforts by aligning security practices with applicable regulatory frameworks and best practices.

• Associate's degree or above in Information Security, Computer Science, or a related field, or equivalent experience.
• 3 - 5 years of experience of relevant work experience.
• Experience with enterprise-grade security technologies.
• Experience in performing packet-level analysis.
• Experience with segmentation strategies.
• Experience turning IDS/IPS to reduce false positives.
• Ability to think in a proactive and innovative approach to solve security challenges.
• Strong, effective communication skills both written and verbal.
• Excellent analytical skills with a proven ability to solve complex problems.
• Ability to multitask and plan all aspects of a project or process from inception to completion.
• Familiarity with cybersecurity tools and technologies.
• Proficiency in Microsoft Office programs.

• Strong understanding of networking protocols (TCP/IP, DNS, DHCP, etc.) and OSI model.
• Experience with firewalls, IDS/IPS, VPNs, proxies, and other network security tools.
• Knowledge of common attack vectors and mitigation techniques.

• Competitive compensation range: $8000 - $ /year (California).
• Comprehensive benefits package.
• Training and mentorship opportunities.
• On-campus wellness activities.
• Education reimbursement program.
• 401(k) program with discretionary employer match.
• Generous vacation accrual and paid holiday schedule.

We are looking for the right people - people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world's largest providers of products and services to the global energy industry. Job Duties Lead the design, implementation, and ongoing evolution of the organization's network security architecture, ensuring integration with existing security systems, including Palo Alto Next-Gen Firewalls (NGFW), IDS/IPS, Web Application Firewalls (WAF), and SIEM platforms. Lead the development and implementation of the Zero Trust security framework across the organization, ensuring seamless enforcement of Zero Trust principles across all network segments. Drive the adoption of Zero Trust principles by leveraging industry-leading SSE/SASE technologies and complementary solutions. Evaluate, select, and implement cloud-native security tools such as Palo Alto SASE, Zscaler, and Web Application Firewalls (WAF) to align with Zero Trust and security goals like least privilege, NAC, SWG, CASB, network based DLP etc. Work closely with the Identity and Access Management (IAM) team to integrate network security policies with identity controls, ensuring secure access across all applications and network resources. Experience in securing Operational Technology (OT) environments, including ICS/SCADA networks, and ensuring their integration with IT security systems to mitigate risks in industrial environments. Collaborate with OT security teams to ensure the protection of critical infrastructure against cyber threats, such as malware, ransomware, and unauthorized access, while maintaining operational continuity. Job Duties Continued Take a leading role in network security incident management, leveraging threat intelligence to mitigate threats and respond to incidents. Continuously assess emerging security threats, propose strategies, and implement security solutions to meet organizational objectives. Develop and enforce network security policies, procedures, and guidelines to ensure compliance with internal security standards and compliance regulations. Engage with senior leadership and cross-functional teams (e.g., IT, security operations) to communicate strategic goals, provide actionable recommendations, and present security reports. Oversee and coordinate the activities of globally distributed security consultants, providing mentorship and ensuring adherence to network security best practices and Zero Trust protocols. Qualifications Hands-on experience with Web Application Firewalls (WAF) to safeguard web applications from attacks such as SQL injection, cross-site scripting (XSS), and other common exploits. Experience with cloud security models and architectures, including Azure, AWS, OCI and hybrid cloud environments (VPC/VNET, NSG security). Ability to set and articulate a clear vision and strategy for network security, ensuring alignment with broader business objectives and IT transformation goals. Experience managing vendor relationships, overseeing security technology lifecycles, and handling contract negotiations and budget management. Relevant certifications such as CISSP , CCSP or similar Cloud provider specific security certifications. Familiarity with regulatory frameworks such as GDPR , CCPA etc. Candidates having qualifications that exceed the minimum job requirements will receive consideration for higher level roles given (1) their experience, (2) additional job requirements, and/or (3) business needs. Depending on education, experience, and skill level, a variety of job opportunities might be available including Senior IT Manager. World Class Benefits: At Halliburton, we're committed to providing you and your family with a comprehensive and affordable benefits package - which means we offer support for your physical, emotional, financial and parental needs, both now and in the future. When you join our team, you'll have access to a wide range of resources designed to help you thrive at work and at home. By clicking here , you can review a summary of the benefits available once you join. Halliburton is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation. Location 3000 N. Sam Houston Parkway E., Houston, Texas, 77032, United States Job Details Requisition Number: Experience Level: Experienced Hire Job Family: Support Services Product Service Line: Global Information Security Full Time / Part Time: Full Time Additional Locations for this position: Compensation Information Compensation is competitive and commensurate with experience.

We are seeking a highly skilled and experienced Network & Security Manager to lead the design, implementation, and governance of our enterprise network and security infrastructure. This role combines technical depth with leadership responsibilities, ensuring the stability, scalability, and security of critical systems across both on-premises and cloud environments. The ideal candidate will have strong expertise in advanced data center fabrics, routing protocols, firewalls, load balancing, secure access, identity solutions, and hybrid cloud networking, along with proven experience guiding teams and driving strategic initiatives.

The functions listed below are those that represent the majority of the time spent working in this class. Management may assign additional functions related to the type of work of the class as necessary.

• Lead the Network & Security team, providing technical direction, mentorship, and performance management.
• Define and execute the network and security roadmap, aligning with business goals and compliance requirements.
• Develop, implement, and enforce network and security policies, ensuring consistent standards across the enterprise.
• Design, implement, and test disaster recovery and failover strategies to ensure high availability, business continuity, and rapid recovery from network or security incidents.
• Partner with IT leadership to drive modernization initiatives and technology adoption.
• Oversee the design and operation of Cisco Nexus Fabric environments, including VXLAN EVPN spine-leaf architectures.
• Ensure optimal performance and resiliency of underlay/overlay networks leveraging OSPF, BGP, and MP-BGP.
• Manage enterprise Cisco switching and wireless infrastructure, ensuring secure, reliable connectivity.
• Architect and maintain Cisco Voice solutions (CUCM, Unity, Jabber, Webex) to support enterprise unified communications.
• Direct the deployment, configuration, and lifecycle management of Palo Alto and Cisco Firepower NGFWs.
• Develop firewall policies, segmentation strategies, and incident response processes.
• Oversee Cloud Access Security Broker (CASB) solutions for SaaS visibility, compliance, and threat protection.
• Manage Cisco Duo for multi-factor authentication (MFA), Zero Trust access, and secure user identity management.
• Manage Cisco ISE for policy-based network access control and identity enforcement.
• Apply CISSP-level security best practices across governance, risk management, and compliance frameworks.
• Manage enterprise-class F5 load balancers, ensuring high availability and secure application delivery.
• Administer Microsoft Defender for Endpoint and Identity to strengthen endpoint protection and identity threat defense.
• Collaborate with application teams to optimize performance and protect critical workloads.
• Establish and enforce standards, policies, and documentation for network and security operations.
• Manage vendor relationships and evaluate emerging technologies.
• Collaborate with compliance, audit, and risk teams to ensure regulatory alignment.

Requires Bachelor's degree in cyber security, computer science or related field or equivalent experience.

Requires five years of progressive experience in network infrastructure, cyber security technology and risk management with two years of supervisory experience or closely related experience.

Advanced knowledge of risk assessment tools, technologies and methods required.

Knowledge of authoring and executing incident response and recovery plans required.

Proven leadership experience in network and security management.

Hands-on expertise with Cisco Nexus Fabrics, VXLAN EVPN, and spine-leaf architectures.

Strong background in routing protocols: OSPF, BGP, MP-BGP.

Deep knowledge of Palo Alto and Cisco Firepower firewalls.

Experience with Cisco ISE, Cisco Duo MFA, Microsoft Purview CASB, and Defender for Endpoint/Identity.

Proficiency with F5 load balancing, Cisco Catalyst switching, Cisco WLCs, and Cisco Voice Architecture.

Excellent communication, documentation, and stakeholder management skills.

CISSP certification (required or strongly preferred for senior-level security leadership).

Cisco certifications: CCNP/CCIE Data Center or Security.

Palo Alto PCNSE certification.

F5 Certified Administrator (F5-CA).

Experience in hybrid cloud networking and security (Azure, AWS).

Valid TX Driver's License

Must maintain CJIS compliance

Our top ranked client is seeking an experienced Network Security Engineer to join their growing team.

This role offers a competitive base, excellent growth potential and a fantastic firm culture.

The ideal candidate will make things more secure by improving existing security measures and/or come up with new ones while providing a seamless experience to our end-users, support teams and MSSP. Qualified candidates will have a background in cybersecurity or network engineering.

What You'll Do:

• Primary goal will be to work with stakeholders and Managed Security Service Provider to troubleshoot issues with firewall;
• Strong functional knowledge on VPN, zone/layer 7 firewall and routing and switching protocol;
• Assist with the design of Secure Architecture of the network;
• Integrate security tasks and activities into system development methodologies (e.g. planning, design, implementation, operations, maintenance, and disposal);
• Perform validation of security controls to ensure consistency with industry standard methodologies; and
• Identify and verify security requirements are met throughout the process.
• Prepare and document secure system development standard operating procedures and protocols;
• Perform vendor technical solution acceptance verification and validation;
• Develop technical solutions and new security tools to help mitigate security vulnerabilities and automate repeatable tasks;
• Assess gaps in existing policy and propose amendments to existing policy or new policy to address these gaps;
• Participate in the development and implementation of enterprise-level technical standards and procedural directives and other guidance materials;
• Write comprehensive reports including assessment-based findings, outcomes and propositions for further network security enhancement;
• Participates in the development, implementation and review of security controls for the network under their purview;
• Coordinates with Infrastructure owners to resolve security issues through system lifecycle; and
• Provides guidance and support to self-testing, security control assessment, preparation of remediation plans, and development of continuous monitoring plans.

• Minimum of 8 years' experience (preferred); (At least 5 years of experience with cybersecurity or information assurance);
• BS degree in Computer Science or related field (required); MS degree (preferred);
• Engineer, implement, and monitor security measures for the protection of the network and critical assets using Network Firewalls alongside IPS/IDS;
• Experience in managing playbooks for security Automation and Orchestration using a XSOAR tool;
• Experience in managing policies for CASB using Palo Alto networks CASB;
• Experience in managing remote access solution and provide reports using Panorama and Splunk;
• Strong understanding of PKI infrastructure;
• Detailed technical knowledge of network, load balancers, DMZ, VMware from a security standpoint;
• Experience providing O&M and engineering support to complex, mission-critical systems; and
• Experience with network security, networking technologies, and network monitoring tools.

Network Security Engineer

Hawthorne, CA

Apply

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.

NETWORK SECURITY ENGINEER

SpaceX is looking for a Network Security Engineer with expertise of network security technologies (firewalls, VPNs, IDS/IPS, etc.). This employee will be a member of the Security Engineering team within the larger Information Technology department. The ideal candidate will be flexible, excel at multi-tasking, and flourish in a fast-paced and challenging environment. This person should be a self-starter, self-motivator and possess the ingenuity to excel in this position.

RESPONSIBILITIES:

• Develop and implement network security tools

• Produce threat models and assess risk around existing configurations

• Provide subject matter expertise on network security, firewalls and industry best practices

• Manage firewall configurations within the SpaceX enterprise network based on operational requirements

• Analyze and proactively come up with creative network solutions for operational needs that present security challenges

• Document and formalize security processes

• Manage and maintain network security systems by applying system patches and other periodic maintenance tasks

• Work with other SpaceX teams to determine functional needs, develop secure architectures, and communicate security best practices and policies

BASIC QUALIFICATIONS:

• Bachelor’s degree in a STEM field and 3+ years of network security experience; OR 5+ years of network security experience in lieu of a degree

• 1+ years of experience securing networks, IT infrastructure, applications, endpoints, and/or APIs

• 1+ years of experience hardening Windows, MacOS, and/or Linux operating systems

PREFERRED SKILLS AND EXPERIENCE:

• Strong understanding of network security technologies, their operation and limitations, including:

• Firewalls (Palo Alto and Juniper)

• Network IDS/IPS solutions

• Network monitoring solutions (NDR)

• Switch/router ACLs

• Network access control solutions

• IPSec and TLS based VPNs

• Web application firewalls

• Email security

• Logging and alerting with SIEMs

• Python programming and automation ability

• Familiarity with networking protocols and the OSI model

• Experience testing and implementing changes in a production environment

• Adept at learning new technologies and systems

• Strong self-starting and time-management skills

• Excellent communication skills, both written and verbal

ADDITIONAL REQUIREMENTS:

• This role requires you to be onsite. Hybrid or remote work will not be considered.

• Willingness to work extended hours and weekends as needed.

COMPENSATION AND BENEFITS:

Pay Range:

Network Security Engineer: $120,000.00 - $160,000.00/per year

Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.

Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law.

ITAR REQUIREMENTS:

• To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITARhere ( .

SpaceX is an Equal Opportunity Employer; employment with SpaceX is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Applicants wishing to view a copy of SpaceX’s Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to

Manager, Network Security

Date: Sep 18, 2025

Location:

Houston, TX, US, 77032

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world’s largest providers of products and services to the global energy industry.

Job Duties

• Lead the design, implementation, and ongoing evolution of the organization’s network security architecture, ensuring integration with existing security systems, including Palo Alto Next-Gen Firewalls (NGFW), IDS/IPS, Web Application Firewalls (WAF), and SIEM platforms.

• Lead the development and implementation of the Zero Trust security framework across the organization, ensuring seamless enforcement of Zero Trust principles across all network segments.

• Drive the adoption of Zero Trust principles by leveraging industry-leading SSE/SASE technologies and complementary solutions.

• Evaluate, select, and implement cloud-native security tools such as Palo Alto SASE, Zscaler, and Web Application Firewalls (WAF) to align with Zero Trust and security goals like least privilege, NAC, SWG, CASB, network based DLP etc.

• Work closely with the Identity and Access Management (IAM) team to integrate network security policies with identity controls, ensuring secure access across all applications and network resources.

• Experience in securing Operational Technology (OT) environments, including ICS/SCADA networks, and ensuring their integration with IT security systems to mitigate risks in industrial environments.

• Collaborate with OT security teams to ensure the protection of critical infrastructure against cyber threats, such as malware, ransomware, and unauthorized access, while maintaining operational continuity.

Job Duties Continued

• Take a leading role in network security incident management, leveraging threat intelligence to mitigate threats and respond to incidents.

• Continuously assess emerging security threats, propose strategies, and implement security solutions to meet organizational objectives.

• Develop and enforce network security policies, procedures, and guidelines to ensure compliance with internal security standards and compliance regulations.

• Engage with senior leadership and cross-functional teams (e.g., IT, security operations) to communicate strategic goals, provide actionable recommendations, and present security reports.

• Oversee and coordinate the activities of globally distributed security consultants, providing mentorship and ensuring adherence to network security best practices and Zero Trust protocols.

Qualifications

• Hands-on experience with Web Application Firewalls (WAF) to safeguard web applications from attacks such as SQL injection, cross-site scripting (XSS), and other common exploits.

• Experience with cloud security models and architectures, including Azure, AWS, OCI and hybrid cloud environments (VPC/VNET, NSG security).

• Ability to set and articulate a clear vision and strategy for network security, ensuring alignment with broader business objectives and IT transformation goals.

• Experience managing vendor relationships, overseeing security technology lifecycles, and handling contract negotiations and budget management.

• Relevant certifications such asCISSP,CCSPor similar Cloud provider specific security certifications.

• Familiarity with regulatory frameworks such asGDPR,CCPAetc.

Candidates having qualifications that exceed the minimum job requirements will receive consideration for higher level roles given (1) their experience, (2) additional job requirements, and/or (3) business needs. Depending on education, experience, and skill level, a variety of job opportunities might be available including Senior IT Manager .

World Class Benefits:

At Halliburton, we're committed to providing you and your family with a comprehensive and affordable benefits package - which means we offer support for your physical, emotional, financial and parental needs, both now and in the future. When you join our team, you'll have access to a wide range of resources designed to help you thrive at work and at home. By clickinghere, you can review a summary of the benefits available once you join.

Halliburton is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.

Location

3000 N. Sam Houston Parkway E., Houston, Texas, 77032, United States

Job Details

Requisition Number:

Experience Level:Experienced Hire

Job Family:Support Services

Product Service Line:Global Information Security

Full Time / Part Time:Full Time

Additional Locations for this position:

Compensation Information

Compensation is competitive and commensurate with experience.