Senior Systems Administrator
Shell Federal Credit Union
The Senior Network Administrator is responsible for designing, implementing, administering, maintaining, and supporting Shell FCU’s network, servers, communications, and infrastructure systems to ensure innovation, stability, security, and high availability. This role requires following best practices, adhering to regulatory requirements, and delivering excellent service to end users. Responsibilities include planning, developing, installing, configuring, securing, maintaining, supporting, and optimizing all network and server hardware, systems, SaaS, software, virtualization platforms, and communication links. The position also involves driving innovation and rolling out new technology systems, which may include elements of technical project management, critical thinking, and assisting with communication and documentation when changing or implementing staff/member-impacting systems. The position will also occasionally analyze and resolve end-user hardware and software issues in a timely manner and provide training as needed.Essential Job Duties and ResponsibilitiesConsistently meet all Shell FCU Service Commitments, Employee Creed, and Service Distinctions.Maintain knowledge of and comply with all applicable rules and regulations required within the scope of duties, including but not limited to the Bank Secrecy Act.Attend all required annual training sessions.Perform duties in compliance with Shell FCU policies, procedures, philosophy, and standards of performance.Network & Infrastructure AdministrationDesign, deploy, maintain, troubleshoot, and manage LANs, WANs, VPNs, wireless networks, VLANs, and telephony systems.Manage daily operations of Cisco networking components, including VPNs, IDS/IPS, firewalls (ASA/Firepower), and switches to ensure maximum uptime.Monitor network performance, identify bottlenecks, and implement corrective solutions to maintain secure and reliable connectivity across servers, workstations, telephony equipment, and branch locations.Design, Plan, Communicate and implement improvements or replacements of infrastructure to ensure scalability, recoverability, and performance.Maintain IP addressing schemes, configuration backups, and security credentials for servers, switches, VPNs, and firewalls.Server & Systems AdministrationInstall, configure, and maintain Windows Server operating systems (2016, 2019, 2022, and future versions).Administer Active Directory, Group Policy, DNS, DHCP, Certificate Services, File/Print Services, and Remote Desktop Services.Perform regular system updates, security patches, and hotfixes using WSUS, KACE, or similar tools to maintain compliance and security.Administer virtualization platforms (VMware/Hyper-V), including provisioning, resource allocation, snapshots, and high-availability clusters.Manage enterprise applications including Microsoft Exchange Online, SQL Server, and Microsoft 365 cloud services.Oversee enterprise backup and recovery solutions (Rubrik or equivalent), including routine restore testing.Maintain user and group accounts, access rights, and permissions across enterprise systems.Monitor server performance and system logs to proactively identify and resolve issues.Security & ComplianceAssist IT Security with vulnerability management by remediating findings from Nessus or similar tools.Monitor and respond to alerts from security and performance monitoring systems.Assess network threats, conduct vulnerability assessments, and support penetration testing efforts.Administer intrusion detection/prevention systems, review security logs, and recommend corrective actions.Implement Zero Trust Architecture principles (least-privilege access, MFA, segmentation) and hybrid cloud security measures (Azure, O365, Entra ID, AWS).Prepare for and provide rapid response to security incidents, including malware, viruses, and other malicious attacks.Ensure compliance with regulatory requirements and effectively communicate security risks, incidents, and policies to staff and management.Disaster Recovery & Business ContinuityParticipate in disaster recovery and business continuity planning, testing, and incident response scenarios.Ensure daily backups and functional restores of critical systems.Contribute to change management processes, including documenting configuration changes, recovery procedures, and architecture diagrams.Support & LeadershipProvide advanced technical support to end users and serve as an escalation point for Tier I/II staff.Mentor junior administrators and support staff to build team capabilities.Lead or assist in the planning, communication, and rollout of new technology systems, ensuring minimal disruption to staff and members.Apply critical thinking and project management principles when evaluating, implementing, and documenting system changes or upgrades.Work with vendors and internal teams on installations, upgrades, and hardware/software performance issues.Maintain system documentation, including configuration changes, access credentials, recovery procedures, and architecture diagrams.Performs additional duties as assigned.Shell Federal Credit Union is an equal opportunity and an affirmative action employer and committed to providing equal opportunity for all employees and applicants for employment, without regard to race, religion, color, sex, sexual orientation, gender identity, national origin, age, citizenship status, marital status, protected veteran status, mental and/or physical disability, pregnancy, or any basis prohibited by State or Federal law.To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.Knowledge and SkillsExperience:5+ years of experience in enterprise Windows network and systems administration.Proven experience with LAN/WAN/WLAN design, virtualization (VMware/Hyper-V), enterprise grade storage solutions, and enterprise-level deployments.Strong expertise in Windows Server, Active Directory, Group Policy, DNS, DHCP, and Certificate Services.Experience with Microsoft Exchange Online, SQL Server (2016+), and Microsoft 365 design and administration.Proven ability to manage Cisco networking components (ASA/Firepower, switches, Meraki).Proficiency in network and server security principles, intrusion detection, and vulnerability remediation.Knowledge of Zero Trust security, hybrid cloud platforms (Azure, AWS), and perimeter protection.Strong troubleshooting, documentation, and organizational skills.Ability to work effectively in a fast-paced, changing environment.Education / Training:Bachelor’s Degree or 8+ years of equivalent experience.Cisco CCNA certification required; CCNP certification a plus.Microsoft certifications preferred (MCSA/MCSE: Windows Server, Azure Administrator).VMware or Hyper-V certifications a plus.Additional training in Active Directory, VMware, or Azure environments highly desirable.Job Requirements:Knowledge of credit union products and services preferred.Ability to communicate IT and security concepts clearly to both technical and non-technical staff.Strong analytical and problem-solving skills, with the ability to present technical concepts to management.Excellent written and verbal communication skills.Participation in on-call rotations and occasional after-hours/weekend work required.Must be prepared to participate in disaster recovery, business continuity, and incident response efforts.Ability to manage workloads in high-pressure, time-sensitive situations.Must be able to work in an open-concept workspace environment.Physical Demands:While performing the duties of this job, the employee is regularly required to bend and stand. May at times be able to lift, carry and/or move up to 15 pounds.Working ConditionsExposure to potential hazardous conditions-robbery. Employees are to receive detailed instructions and procedures to be followed to minimize risk.In accordance with the American with Disabilities Act, it is possible that requirements may be modified to reasonably accommodate disabled individuals. However, no accommodations will be made which may pose serious health or safety risks to the employee or others or which impose undue hardships on the organization.This Job Description is not a complete statement of all duties and responsibilities comprising this position. Job descriptions are not intended and do not create employment contracts. The organization maintains its status as an at-will employer. Employees can be terminated for any reason not prohibited by law.This organization uses E-Verify in its hiring practices to achieve a lawful workforce. #J-18808-Ljbffr Shell Federal Credit Union
- ...The Senior Network Administrator is responsible for the administration, maintenance, security, and continuous improvement of PSC's enterprise network... ...vulnerability management, intrusion detection/prevention systems, and disaster recovery readiness. Maintain network...SeniorTemporary workRemote work
- ...Title: Systems Administrator Location: Houston, TX Who we are Kuraray America, Inc. (KAI) is a global leader in specialty chemical, fiber, and resin production. With top‑of‑the‑line research and production facilities and a vast network of supplies from around the world...SuggestedRemote workShift work
$90k - $110k
...yr - $110,000.00/yr Position Overview The Viewpoint Vista System Administrator will serve as the primary owner of the Vista ERP environment... ...application through LinkedIn or visit our career page. Seniority Level Associate Employment Type Full‑time Job Function Administrative...SuggestedFull timeImmediate start- A leading industrial services organization is seeking a Viewpoint Vista System Administrator to manage the Vista ERP environment. This full-time role requires overseeing administration, performance monitoring, and user support. Ideal candidates will have a Bachelor's degree...SuggestedFull time
- Kuraray America, Inc. in Texas is seeking a dedicated Systems Administrator to manage and secure its hybrid IT infrastructure. This role involves overseeing on-premises systems and cloud services while ensuring robust support for users and business operations. The ideal...Suggested
- AccuTrans Inc. is seeking an energetic IT Support professional for its Houston office in Pasadena, TX. The ideal candidate must have 7+ years of experience in developing and supporting .NET applications, including WinForms and ASP.NET MVC. Strong communication skills are...SeniorWork at office
- ...Overview The Systems Administrator role for Centerline Logistics works to recommend, deploy and maintain IT systems, applications, and infrastructure across all sites and vessels. This role serves as Tier 2 helpdesk, supporting technical issues and project lifecycles,...Work at officeRemote workMonday to Friday
- INEOS AMERICAS LLC in Pasadena, Texas is seeking a Maintenance Superintendent to oversee maintenance operations and ensure compliance with safety regulations. The role involves leading teams, managing resources efficiently, and maintaining reliable operations. The successful...Senior
$75k - $90k
A prominent staffing firm is seeking a Direct-Hire Senior Accountant in the Pasadena area. This position requires a Bachelor’s degree in Accounting or Finance and over 5 years of experience in full-cycle accounting, preferably in the manufacturing sector. Responsibilities...Senior- Burnett Staffing Specialists seeks a Warehouse Manager in Deer Park, TX. The role requires 7-10 years of experience managing warehouse operations in a fast-moving environment, with a focus on consignment processes. You will oversee daily warehouse activities, ensure accuracy...Senior
- Petroleum Service Corporation is seeking a Senior Accounting Manager in Pasadena, Texas, to lead the accounting team and ensure the integrity of financial reporting. The ideal candidate will possess 8-12+ years of accounting experience and strong leadership abilities....Senior
- Fresenius Medical Care in Pasadena, Texas, is seeking a Social Worker to provide psychosocial services to dialysis patients. This role requires collaboration with healthcare teams to ensure comprehensive care and support for patient needs. The ideal candidate holds a Masters...Senior
- Albemarle Corporation is seeking an Area Project Manager to oversee non-process infrastructure for the Kings Mountain lithium mine project. The role combines project leadership, engineering oversight, and contractor coordination with an emphasis on safety and compliance...SeniorFor contractors
- A personal injury law firm in Texas is seeking a Senior Associate Attorney to join their team. The ideal candidate will have over 10 years of experience and a Juris Doctor degree, with the ability to independently handle personal injury cases. Responsibilities include...Senior
- manpowe is seeking a Process Engineering Manager in Pasadena, Texas, responsible for leading a team of engineers in improving chemical processes and ensuring safety compliance. The ideal candidate will have a B.S. or M.S. in Chemical Engineering and significant experience...Senior
$110k - $120k
NTG Staffing is looking for a hands-on Senior Accountant to support the Controller in Pasadena, Texas. This fully onsite position offers an attractive base salary ranging from $110,000 to $120,000, with opportunities for growth into a Controller role. The ideal candidate...Senior- Hargrove Engineers + Constructors is seeking an Office Administrator for our southeast Houston office. You will support project administration from proposal through closeout and provide department support to leaders and project managers in the assigned discipline. You will...SeniorWork at office
- Aurorium in Pasadena, Texas, is seeking a knowledgeable Senior Process Engineer to leadProcess design projects and optimize chemical processes. Candidates should possess at least 10 years of relevant experience in chemical engineering, particularly in design and manufacturing...Senior
- PSC Group is seeking a Senior Network Administrator to lead the administration, security, and modernization of PSC's enterprise network across corporate, field, and cloud environments. This role drives network modernization, ensures reliable connectivity, and partners...Senior
- ONEOK is seeking an area leader to manage day-to-day operating activities for assets such as terminals and delivery/receipt locations. You will oversee a multi-disciplinary team, administer the budget, and drive safety, compliance, and efficient operations across the assigned...Senior
- Global Edge Group seeks an I&C Project Engineer III for a client in the Oil and Gas sector in Pasadena, Texas. The ideal candidate will have over 12 years of project engineering experience, strong budget and schedule management skills, and expertise in Instrumentation and...Senior
- Power Technique North America LLC in Pasadena, TX, is seeking an Assistant Business Controller to support financial management and strategic decision-making. This role includes responsibilities such as preparing and consolidating financial statements, managing accounting...Senior
- Dow Chemical is seeking a Senior Environmental Specialist for Diamond Infrastructure Solutions in Texas City. This role involves implementing and maintaining environmental management systems, ensuring compliance with regulations, and supporting plant personnel in environmental...Senior
- HCA Healthcare is looking for a Senior CVIR Revenue Integrity Coding Specialist to manage coding and billing processes for Cardiovascular and Interventional Radiology services. Responsibilities include ensuring accurate charge assignment and coding for Cath Lab, IR, and...SeniorRemote job
$80k - $110k
Onterris is seeking a Senior Ambient Air Client Project Manager in Deer Park, Texas. You will manage technical, field, and administrative aspects of ambient air monitoring projects, utilizing your 8+ years of experience in the field. Your expertise in client relationship...Senior- A logistics and supply chain company in Pasadena, Texas, is seeking an HR Manager to lead HR operations, including recruitment, employee relations, and compliance with labor laws. The ideal candidate will have significant experience in human resources management, strong...SeniorFull time
- Shell Federal Credit Union is seeking a Senior Network Administrator to design, implement, and maintain our network, servers, and infrastructure to ensure security, stability, and high availability. You will manage LAN/WAN, VPNs, wireless, and telephony across branches...Senior
- INSPYR Solutions seeks a Sr. Network Engineer to administer and improve our client's enterprise network across corporate, field, and cloud environments. You will lead modernization efforts, ensure secure connectivity, and partner with IT teams, vendors, and stakeholders...Senior
- ...Process Control Engineer to oversee engineering tasks in an industrial environment. The role demands expertise in process control systems and excellent teamwork to ensure safety and efficiency. The ideal candidate will have a relevant engineering degree and significant...Senior
- SouthState Bank in Pasadena, TX seeks a seasoned Commercial Lending Officer to lead loan origination and relationship management within a specified metro market. You will underwrite and structure loans, price products, and collaborate with treasury, capital markets, wealth...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Administrator. Be the first to apply!
- senior manager pmo Deer Park, TX
- senior manager legal Deer Park, TX
- remote senior project manager Deer Park, TX
- senior project manager contract Deer Park, TX
- senior manager m&a tax Deer Park, TX
- senior resident engineer Deer Park, TX
- senior manager Deer Park, TX
- senior manager automotive Deer Park, TX
- senior Deer Park, TX
- senior implementation engineer Deer Park, TX

