Senior Network Administrator

Senior Network Administrator KBR Sustainable Technology Solutions (STS) provides holistic and value-added solutions across the entire asset life cycle. These include world-class licensed process technologies, differentiated advisory services, deep technical domain expertise, energy transition solutions, high-end design capabilities, and smart solutions to optimize planned and operating assets. KBR is looking for a Senior Network Administrator to be responsible for the administration, maintenance, security, and operational reliability of enterprise network infrastructure supporting KBR operations. You will provide advanced technical administration across network, connectivity, security, and related infrastructure platforms, ensuring the availability, performance, and resilience of critical services. You will require deep technical knowledge of enterprise networking technologies, the ability to resolve complex operational issues, and the capability to work independently with minimal guidance. You will also contribute directly to service stability, operational excellence, and infrastructure modernization initiatives while acting as a technical resource for colleagues within the team. This role does not include supervisory or people management accountability. Functional Job Responsibilities Network Administration - Administer enterprise network infrastructure, including: LAN, WAN, wireless, and data center networking platforms Routing and switching technologies Software-defined networking and SD-WAN environments Network access control and identity-aware networking services Install, configure, maintain, and upgrade network infrastructure in accordance with operational standards. Perform routine lifecycle management activities, including software updates, hardware maintenance, and technology refresh activities. Maintain accurate network documentation, configuration standards, and operational records. Network Security & Connectivity - Administer and support enterprise network security technologies, including firewalls, VPN services, and secure remote-access solutions. Maintain network segmentation, access control, and secure connectivity frameworks. Support vulnerability remediation and implementation of network security controls. Ensure network services comply with organizational security standards and governance requirements. Data Centre & Cloud Networking - Support enterprise data center networking environments and associated connectivity services. Administer load balancing and application delivery platforms. Support hybrid cloud and cloud networking services. Maintain reliable connectivity between on-premises infrastructure, cloud platforms, remote locations, and hosted environments. Support network architecture and capacity growth initiatives. Infrastructure Integration - Collaborate with server, storage, backup, cloud, and cybersecurity teams to ensure reliable infrastructure operations. Support infrastructure services where networking dependencies exist. Maintain a working understanding of compute, virtualization, storage, and application dependencies to support effective troubleshooting and escalation. Contribute to infrastructure availability, resilience, and recovery initiatives. Operational Support - Monitor network health, availability, performance, and capacity using established operational tools and procedures. Diagnose and resolve complex networking and infrastructure incidents. Support incident, problem, and change management processes. Participate in major incident investigations and root-cause analysis activities. Maintain technical documentation, operational runbooks, and support procedures. Recovery, Resilience & Security - Support network-related disaster recovery and resilience initiatives. Participate in infrastructure recovery testing and operational readiness activities. Maintain network configurations and controls that support business continuity objectives. Ensure network services remain compliant with organizational security and audit requirements. Collaboration & Technical Contribution - Work independently on assigned systems and operational activities. Collaborate with related IT teams, service providers, and project teams to resolve technical issues. Act as a technical resource and provide guidance to colleagues with less experience. Contribute to operational improvements, technical standards, and infrastructure modernization initiatives. Support project delivery and technology implementation activities as required. Required Education, Experience & Skills Technical Skills & Experience - Strong hands-on experience supporting enterprise networking environments. Technical Skills & Experience - Experience with routing, switching, network segmentation, and secure connectivity technologies. Technical Skills & Experience - Experience with network access control, identity-aware networking, and enterprise security platforms. Technical Skills & Experience - Experience supporting firewall technologies, VPN solutions, and secure remote access services. Technical Skills & Experience - Experience with load balancing and application delivery technologies. Technical Skills & Experience - Experience supporting cloud networking and hybrid connectivity solutions. Technical Skills & Experience - Experience supporting enterprise infrastructure environments including Windows, Linux, and virtualization platforms. Technical Skills & Experience - Familiarity with structured IT operational environments and service management processes. Technical Skills & Experience - Experience troubleshooting complex networking and infrastructure-related issues. Professional Capability - Able to work independently with minimal supervision. Professional Capability - Demonstrated ability to analyze and resolve complex technical problems. Professional Capability - Exercises sound technical judgement using multiple sources of information. Professional Capability - Strong operational discipline and attention to detail. Professional Capability - Effective written and verbal communication skills. Professional Capability - Ability to collaborate effectively across technical and business teams. Benefits 401K plan with company match medical dental vision life insurance AD&D flexible spending account disability paid time off flexible work schedule Belong, Connect and Grow at KBR At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together. KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law. Our Values We Value Our People – We create diverse, inclusive environments in which each person can feel safe, respected and valued, and where everyone has opportunities to grow and reach their full potential. We Deliver – We are uncompromising in our commitment to deliver innovative, high-quality, technology-led solutions for our customers and exceptional, sustainable value for all our stakeholders. We Are People of Integrity – We value honesty, trust, courage, fairness, prudence and tenacity. We believe doing what’s right for the planet, the communities where we work, and our people is good for business. We Empower – We empower our people with a shared purpose, the right tools and the supportive culture they need to be proactive decision-makers, to be adaptive to change, and to succeed. We Are a Team of Teams – We have a will to succeed, but we value the achievements of our team of teams over individual accomplishments. Our collective focus makes us a better, stronger, more effective company. Not only are we committed to operating safely, sustainably and equitably, but we are also committed to using our capabilities and expertise to help our customers accomplish their sustainability goals. Worldwide, KBR employs a diverse workforce approximately 29,000 people strong, with customers in more than 80 countries and operations in 40 countries. #J-18808-Ljbffr