Senior Security Engineer (Full Time) - Sugar Land

Company: Prosperity Bank
Location: Sugar Land
Posted on: April 1, 2026

Job Description:

External Applicants: Please apply through Prosperity Bank's Career Center at https://www.prosperitybankusa.com/Careers . Applying through any other source may prevent Prosperity from receiving your application. Internal Applicants: If you are a current associate of Prosperity Bank, please apply through the internal Talent - Career Center in ADP. Prosperity Bank is an Equal Opportunity Employer. POSITION PURPOSE Will work with the technology team at Prosperity Bank. Will have extensive (and current) experience in Microsoft, Citrix, VMware, and enterprise grade storage technologies. Must work well in a team environment. Will also be part of the overall support team and requires outstanding customer service skills both over the phone and in person. Must approach issues from a scientific point of view, not just guessing or memorization. Be able to automate their way out of problems rather than simply working harder. Should have enough experience to know how to fix problems (due to experience), as well as the wisdom to verify their initial diagnosis, since symptoms can be deceiving. Must have the ability to create correct and repeatable processes. The processes should be able to be followed by other non-experienced team members. ESSENTIAL FUNCTIONS AND BASIC DUTIES Day to day support of the servers and systems and handling remote support where needed including Active Directory, Citrix, Microsoft SQL, file servers; Exchange 2019 and hybrid configuration with O365 Exchange Online; and other applications as needed; limited SQL support. Coordination, planning and communication of IT projects as well as documentation of any changes to the server systems. Manage vendors for outsourced services and projects. Design, develop, and implement Disaster Recovery and Business Continuity process, procedures, and infrastructure as well as actively participate in Disaster Recovery exercises. Work closely and support the Network, Systems, and Applications teams to better support server hardware, software, and applications. Maintain and support security policy and procedures. Be on call to support the infrastructure as needed. Identify and plan preventive maintenance, software/hardware upgrades, patch management, and firmware upgrades. Working with both end users and all members of the IT staff. Support of anti-virus, web filtering, email filtering, endpoint security tiers. Design, develop, and implement Disaster Recovery and Business Continuity process, procedures, and infrastructure as it relates to the Information Security Program, well as actively participate in Disaster Recovery exercises. Work closely and support the Senior Network Analyst and the Application’s team to provide deep security layers around server hardware, software, and applications. Identify and plan preventive maintenance, software/hardware upgrades, patch management, and firmware upgrades. Working with both end users and all members of the IT staff. Develops, monitors, and reports on information security performance metrics (such as threat level, vulnerability level, problem resolution time, etc.) Identifies areas of non-compliance and makes recommendations for achieving compliance. Keeps updated on IT security regulation changes and new developments in the IT security environment. Occasional travel may be required. Ensures there are no repeat IS security related findings from regulatory and 3rd party exams. Other duties as assigned. The above statements describe the general nature and level of work only. They are not an exhaustive list of all required responsibilities, duties, and skills. Other duties may be added, or this job description amended at any time. SUPERVISORY RESPONSIBILITIES: This role has no supervisory duties. QUALIFICATIONS Education/Certification: Bachelor’s degree in Computer Science, Information Systems, or equivalent experience. MCSA: Windows Server or MCSE: Server Infrastructure, or MCSE (or comparable) preferred. Citrix CCA, CCAA, CCEE, or CCIA preferred. Experience PREFERRED: 7 yrs. Enterprise Data Center and Server experience 7 yrs. Enterprise Windows Administration 7 yrs. Microsoft infrastructure technologies (DNS, DHCP, DFS) specifically relating to multiple data centers and fault tolerance. 7 yrs. Backup and Recovery systems 7 yrs. Enterprise network monitoring 5 yrs. Microsoft Exchange or equivalent 5 yrs. Citrix XenApp and/or XenDesktop or VMware Horizons 5 yrs. SPAM filtering systems 4 yrs. Data Center virtualization 3 yrs. SQL Administration 2 yrs. Load Balancers 2 yrs. Managing Azure Active Directory 1 yrs. SIEM, preferably Alert Logic or similar 1 yrs. Nexpose, Rapid 7 Vulnerability scanners CISSP Certification IT Banking Linux support and administration General knowledge of compliance and regulations procedures Project management skills or PMI certification Vulnerability Management and Server Automation tools Skills/Abilities: PowerShell or VB proficiency Must be a self-starter that can manage multiple projects / duties with minimal supervision. Be a hands-on with proactive attitude. Enjoy complex technical challenges. Must be willing to travel – at least 10%. Must be willing to work after-hours. Must display a positive team working attitude with associates in all departments. Meet compliance and security requirements 100% of the time. Maintain effective internal controls standards. Perform hardware installs as needed. PHYSICAL ACTIVITIES AND REQUIREMENTS OF THIS POSITION Finger Dexterity: Using primarily just the fingers to make small movements such as typing, Picking up small objects, or pinching fingers together. Talking: Especially where one must frequently convey detailed or important instructions or ideas accurately, loudly, or quickly. Average Hearing: Able to hear average or normal conversations and receive ordinary information. Repetitive Motion: Movements frequently and regularly required using the wrists, hands, and/or fingers. Average Visual Abilities: Average, ordinary, visual acuity necessary to prepare or inspect documents or products or operate machinery. Physical Strength: Sedentary work; sitting most of the time. Exerts up to 10 lbs. of force occasionally. (Almost all office jobs.) WORKING CONDITIONS None: No hazardous or significantly unpleasant conditions (such as in a typical office). MENTAL ACTIVITIES AND REQUIREMENTS OF THIS POSITION Reasoning Ability: Ability to apply common sense understanding to carry out detailed but uninvolved instructions and to deal with problems involving a few variables. Mathematics Ability: Ability to perform basic math skills, use decimals to compute ratios and percentages, and to draw and interpret graphs. Language Ability: Able to use a passive vocabulary of 5,000-6,000 words; read at a slow rate; and define unfamiliar words in dictionaries for meaning, spelling, and pronunciation. Ability to write complex sentences, using proper punctuation, and using adjectives and adverbs. Ability to communicate in complex sentences, using normal word order with present and past tenses and good vocabulary.

Keywords: Prosperity Bank, The Woodlands , Senior Security Engineer (Full Time) - Sugar Land, IT / Software / Systems , Sugar Land, Texas