May 17, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
p>As a Senior Systems Engineer, you will serve as a senior-level infrastructure expert responsible for design, implementation, operation, and continuous improvement of enterprise cloud and hybrid systems. Step into a high-impact Senior Systems Engineer (Cloud/Automation) role with a global innovator in power, thermal, and smart energy technologies.
Vaco/Highspring does not have knowledge of the tools used by its clients in making final hiring decisions and cannot opine on their use of AI products.Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.
Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to:
- the individualās skill sets, experience and training;
- licensure and certification requirements;
- office location and other geographic considerations;
- other business and organizational needs.
The ideal candidate will have strong experience in UAT and production support, test environment coordination, and application/infrastructure operations and a proven ability to prepare and maintain UAT environments, coordinate multi-team releases, and ensure reliable deployments. With delivery centers and offices across North America and India, we take pride in building long-term relationships and delivering excellence through innovation, collaboration, and integrity.
p/>Join the fun and follow us on social media to see what's happening at our company, and don't forget to connect with us on Lennar: Overview | LinkedIn<https://www.linkedin.com/company/lennar/> for the latest job opportunities.
Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career.
p>Systems Security: Support enterprise IAM solutions that collectively deliver single sign-on (SSO), multifactor authentication (MFA), identity governance and administration, and privileged access management for all types of identities, including on-premises, hybrid, cloud-only, non-human (service accounts), and application-based credentials (API keys, tokens).
Design and implement identity and access controls for AI agents and non-human identities (service accounts, bots, APIs, workloads), including lifecycle management, secrets management, least-privilege roles, and monitoring of machine-to-machine access in alignment with Zero Trust principles.
Arlington, TX30+ days ago
Effectively communicate with management and non-technical personnel on any technology issue to ensure they understand the nature of the issue and current statue easily understood on any outage conference calls. Advanced understanding of network services and networks protocols (to include but not limited to): BGP, OSPF, EIGRP, HSRP, VRRP, VRF, VTP, DHCP, DNS.
Richardson, TX30+ days ago
Support Roaming and Wholesale teams in the implementation of new roaming agreements, with particular focus on VoLTE and VoNR roaming, including configuration support, IREG testing, and fault resolution during commercial launch of service. Projects:Work with Solution Architects to turn solutions designed for wholesale customers into High Level Design (HLD) documentation. The role focuses on the day-to-day operation, troubleshooting and optimization of the IMS platforms and interconnections . Operational ownership of IMS infrastructure components, including lifecycle management, configuration, software upgrades, vendor coordination, capacity planning, and fault resolution.
Richardson, TX30+ days ago
In-depth knowledge of mobile voice and data core network architecture (including MNO and MVNO / MVNE infrastructure architecture) as well as network topology, including ability to describe the key elements of a mobile network and understand how the components function and interact as well as how mobile calls are made and received and how mobile data sessions work both in VoLTE and VoNR environments. Responsibilities:Core Network Design, Deployment and Management:Design, deploy, operate, and maintain 5G Core Network (5GC) components including AMF, SMF, UPF, NRF, PCF, AUSF, and UDM across both SA and NSA deployments.
Grapevine, TX30+ days ago
5+ years of experience in Platform Engineering or Software Development (Python or Go) with Bachelors in related field; OR 3 years relevant experience with Masters in related field; OR High School Diploma or equivalent and 9 years relevant experience. When extending an offer, Enlighten takes a variety of factors into consideration which include, but are not limited to, the role's function, internal equity and a candidate's education or training, work experience, certifications and key skills.
Partner Oversight & Governance Own the technical relationship across all implementation partners for Sage Intacct, BuildOps, Miter, and Ramp ā attending configuration sessions, reviewing API and data model decisions, and ensuring every buildout aligns to the multi-tenant architecture. Ā· Debugging & Pipeline Health Be the first line of diagnosis when pipelines break or data is wrong ā isolate whether the failure is in the source API, Workato recipe logic, watermark drift, or Snowflake schema before engaging partner support.
p>Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career. Join the fun and follow us on social media to see what's happening at our company, and don't forget to connect with us on Lennar: Overview | LinkedIn<https://www.linkedin.com/company/lennar/> for the latest job opportunities.
As a Lead Software Engineer, ServiceNow, you would be responsible for leading the design, development, and evolution of enterpriseāgrade ServiceNow solutions with a strong focus on Customer Service Management (CSM),Enterprise Service Workflowsāspecifically Finance Workflows including custom applications. Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career.
p/>Join the fun and follow us on social media to see what's happening at our company, and don't forget to connect with us on Lennar: Overview | LinkedIn<https://www.linkedin.com/company/lennar/> for the latest job opportunities.
Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career.
The role involves developing VS Code extensions that integrate with Large Language Models (LLMs) to assist developers with code generation, code analysis, documentation, refactoring, and AI-assisted software development workflows. We are looking for a software engineer with experience in TypeScript, Node.js, and Generative AI to build AI-powered developer productivity tools and IDE extensions.
p/>Join the fun and follow us on social media to see what's happening at our company, and don't forget to connect with us on Lennar: Overview | LinkedIn<https://www.linkedin.com/company/lennar/> for the latest job opportunities.
Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career.
The Illumio Network Security Engineer is directly involved in client-facing and must possess a strong, hands-on doer mentality while simultaneously owning the design, implementation, and operations across data center and GCP cloud environments.- Network Security Transformation ā Migrating from Traditional Firewalls to Illumio Host-Based Micro-Segmentation. Vaco/Highspring does not have knowledge of the tools used by its clients in making final hiring decisions and cannot opine on their use of AI products.
Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.
Job Description: - NTT DATA's Client is seeking a highly experienced Senior Network Security Engineer to support a strategic initiative involving the encryption and decryption optimization of approximately 80 Next-Generation Firewalls (NGFWs) utilizing Palo Alto Networks technology.
- This role requires strong expertise in Palo Alto firewall administration, SSL/TLS decryption policies, network security architecture, troubleshooting, and integration with Cloudflare and load balancing environments.
Flower Mound, Texas6 days ago
p>We are seeking a Senior Network Security Engineer to lead the design, implementation, and maintenance of our enterprise Network Security infrastructure, with a heavy operational focus on Palo Alto Networks ecosystems and Zero Trust architectures. Display skills and be able to utilize network monitoring and reporting platforms, including (or similar to) specifically SolarWinds Network Performance Monitor (NPM) and NetFlow Traffic Analyzer (NTA), to analyze traffic patterns and identify potential security anomalies.
div>Job Title: Zscaler Network Security Engineer - MUST have Zscaler experience - Required - manage and operate Zero Trust security infrastructure, with a strong focus on Zscaler technologies (ZIA, ZPA, and ZDX).
- Conduct performance optimization by diagnosing latency issues using ZDX (Digital Experience) or Zscaler Cloud Performance Test tools and accurately identifying if latency is introduced by the Service Edge, ISP, or local network.
p>To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://www.akkodis.com/en/us/candidate-privacy-policy. The ideal candidate will be responsible for designing, implementing, and maintaining secure network infrastructure while ensuring high availability and performance of enterprise systems.
Knowledge in Designing and Monitoring Web Security Gateways, Perimeter Security, Network access controls and Endpoint Security. Undergrad or Graduate in Computer Science/ Electronics/Networking Telecom Industry Experience.
The successful candidate will work on both project-based initiatives (new firewall builds, replacements, and decommissions) and runātheābusiness (RBU) operational activities, while collaborating closely with U.S.-based and offshore teams. Summary: We are seeking a Network Security Engineer with strong hands-on experience in firewall implementation, configuration, and troubleshooting to support a large, globally distributed infrastructure environment.
li>Partner with account teams to deliver a high-visibility, high-touch delivery strategy, technical account plan deployments, and product-level success plans. Proven results as a trusted technical advisor, interacting with client teams at various levels of technical and non-technical depth.
This role requires deep experience in Firewall Management, VPN configuration, Network Segmentation, Zero-Trust Implementation, and Linux system administration. Candidates must be comfortable working directly with infrastructure, networking, and security teams in a production environment.
Description: Job Title: Network Security Engineer ā Web Proxy & Firewall SMELocation: Irving, TX (Onsite / Hybrid ā as per project needs)Summary: We are looking for an experienced Network Security Engineer to act as a Subject Matter Expert (SME) for Web Proxy and Firewall technologies in a large-scale enterprise environment. The ideal candidate will bring deep hands-on expertise in enterprise firewall platforms and web proxy solutions, strong troubleshooting skills, and the ability to work independently while collaborating with crossāfunctional technical teams.
strong>Only applicable for San Francisco Candidates: Under the San Francisco Lactation in the Workplace Ordinance, we will provide written notice of lactation accommodation rights, and this notice will automatically be given upon hiring, any inquiry of parental leave or lactation accommodation. Job Description:- Provide technical expertise on Next Generation Firewall (NGFW) technologies to ensure customers and partners maximize our products' potential.
li>Maintain a high level of technical expertise on Network Security defense-in-depth technology and best practices by performing ongoing research and engagement to maintain awareness of industry trends, best practices. Lead the design, implementation, and delivery of Network Security applications and appliances, including NGFWs, IDS/IPS, Anti-virus, Web Application Firewalls, etc.
You will also lead automation through scripting, companywide new application implementation and other secure perimeter activities for the Freddie Mac infrastructure and applications across multi-site enterprise cloud and data center environments. Qualifications:
Typically, 8 -10 years of related professional IT experience, with extensive expertise in the implementation and administration of firewalls, particularly Palo Alto Networks firewalls and other secure perimeter applications.
li>Design and operate Check Point Maestro deployments, including scaling and interconnecting multiple Maestro stacks and Maestro Hyperscale Orchestrators (MHOs). Develop and deliver technical trainings, workshops, and enablement sessions on NGFW and Maestro to internal teams, partners, and customers; build supporting lab guides and reference materials.
li>Maintain a high level of technical expertise on Network Security defense-in-depth technology and best practices by performing ongoing research and engagement to maintain awareness of industry trends, best practices. $93,000 - $189,000 Annual SalaryThe compensation range represents the anticipatedlow and high end of the base compensation range for this position.
Dallas, Texas30+ days ago
div>Network Security Engineer
Location: Colorado (Onsite)
Employment Type: Full-Time.
Firewall Configuration & Optimization:
- Configure, deploy, and manage enterprise firewalls such as Palo Alto Networks, Fortinet, or Cisco Systems.
Dallas, Texas30+ days ago
li>Championing the integration of automated tools for infrastructure build, day two support and lifecycle management of all security infrastructure using platforms like Python, Terraform, and vendor APIs, leveraging tools such as Algosec, Tufin, Jenkins and Git. Company-Paid Benefits: 100% Employer-Paid Medical in our High Deductible Health Plan, Dental and Vision benefits for employees and their families, 16 weeks of Paid Parental Leave, Employee Assistance Program, Life insurance, Short-Term Disability and Long-Term Disability.
We manage network and network security infrastructure, including wide area networking, local area networking, wireless, firewalls, datacenter networking, load balancing, endpoint security, and proxies. Network Security Engineer (Zscaler Specialist) will be part of a global infrastructure organization responsible for designing, implementing, and delivering enterprise-grade secure access solution using cloud-delivered security, particularly Zscaler platform.
p>Busey Bank, and its subsidiaries, does not accept any liability for fees for resumes from recruiters or employment agencies ("Agency"), without a binding, written recruitment agreement between Busey and Agency describing the services and specific job openings ("Agreement"). The Senior Network Security Engineer is responsible for coordinating security planning with the IT Security team, IT Infrastructure Operations, and IT Service desk on enhancing and furthering the security of the network from all vantage points.
Carrollton, TX30+ days ago
p>Primary Responsibilities: Designs, implements, and supports security controls for operational technology networks, industrial control systems, manufacturing systems, warehouse automation platforms, building management systems, and related connected environments.
Partners with network engineering, infrastructure, operations, facilities, manufacturing, warehouse automation, and cybersecurity teams to implement secure network designs, firewall policies, access controls, and remote access solutions for OT environments.
Dallas, Texas30+ days ago
div class="account_description">Vytwo Technologies is a global leader in enterprise application integration, delivering end-to-end IT consulting and business services for mid to large-scale organizations.
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We offer a comprehensive suite of solutions including business and technology consulting, Cloud,e-business and digital transformation services, system integration, custom application development, re-engineering, and long-term application support.
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p/>Responsibilities:
Contribute to the design, implementation, and delivery of scalable network security architecture and controls including firewalls, IDS/IPS, and VPNs across on-premises and cloud environments Serve as the team's primary subject matter expert for network security technologies, providing guidance and technical direction on complex security challenges. Working closely with the Manager of Network and Infrastructure Security and cross-functional peers, the Senior Security Engineer drives meaningful improvements to the organization's security posture while serving as a subject matter expert and mentor within the team.