System Administrator 3 - Dallas, TX
M.C. Dean, Inc. · Dallas, TX · 2 days ago
On-siteInformation TechnologyFull-time
About the Role
We are seeking a System Administrator 3 to join our Security and Electronic Systems (SES) business unit. As part of this dynamic team, you will be responsible for the design, implementation, operations, maintenance, and cybersecurity of large, complex, resilient hardware and virtualized infrastructure. Your work will ensure that implemented solutions meet stakeholder needs, standards, and performance requirements.
Responsibilities
- Manage physical security system support to meet service level agreements.
- Configure and manage Windows operating systems and install/load operating system software.
- Perform desktop hardware and operating system set-up, imaging software loading, and antivirus updates.
- Analyze security system infrastructure performance and recommend improvements.
- Troubleshoot, maintain integrity, and configure components along with implementing operating systems enhancements to improve reliability and performance.
- Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
- Perform IAVA updates and patching to ensure compliance with Information Assurance (IA) standards.
- Apply Security Technical Implementation Guides (STIGs) to Windows-based operating systems (servers and workstations).
- Implement and maintain sophisticated enterprise Windows Active Directory Architectures.
- Perform daily operations, including Active Directory management, monitoring, and reviewing system logs.
- Configure and maintain virtual hypervisors, including VMware and Hypervisor.
- Deploy, configure, and maintain Virtual Desktop Infrastructure (VDI) platforms, including Citrix Xen Desktop.
- Install, configure, and maintain 3rd party applications.
- Install, configure, and maintain highly available SQL database engines.
- Deploy and maintain storage platforms similar to Dell EqualLogic and Dell PowerVault.
- Analyze requirements of future deployments and make recommendations for IT infrastructure, including all hardware and software required to fulfill those requirements.
- Perform root cause analysis on significant issues across all tiers of support.
- Perform preventive maintenance actions, including system backups, error log reviews, database size analysis, and integrity checks.
- Develop new system and application implementation plans, including testing procedures and ensuring operational reliability.
- Stay current with technological developments and make recommendations for ways to take advantage of new and emerging technology.
- Create technical documentation, such as standard operating procedures (SOPs) and as-built documents, for both technical and non-technical audiences.
- Train system users and other system support personnel as needed.
- Perform all duties with minimal direct supervision.
Qualifications
- Clearance/Citizen Type: Applicants selected will be subject to a government security investigation and may meet eligibility requirements, including U.S. Citizenship, for access to classified information; no clearance needed.
- Education/Experience:
- Bachelor's Degree and 5+ years of progressive experience
- Associates Degree and 8+ years of progressive experience
- HS Diploma or Equivalent and 10+ years of progressive experience
- Requires system administrator experience in performing triage on system problems, resolving system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.
- Requires 2+ years of experience programming/administrating Physical Access Control Systems.
- Demonstrated previous experience effectively managing small teams.
- Demonstrated understanding of Windows patching and vulnerability remediation.
- Demonstrated advanced knowledge of Windows Active Directory hierarchy and implementation.
- Basic knowledge of large-scale networking, VLANs, and routing.
- Requires reliable attendance at the customer site during work hours required by the customer.
- Requires the ability to work flexible shifts, including nights, weekends, and holidays as needed.
- Requires a minimum of Security+ Certification, CASP, or CISSP certification.
- Demonstrated background working with multidisciplinary teams.
- Demonstrated time management and organization skills to meet deadlines and quality objectives.
- Proficient in MS Excel, Word, Visio, and PowerPoint.
Preferred Experience
- Proficiency with ACAS and HBSS and mitigation strategies.
- Assessment, mitigation, and closure of network vulnerabilities and vulnerability management (eMASS).
- Applying STIGs to servers, databases, applications, and other hardware.
- Security Readiness Review (SRR) Tools (scripts and ACAS).
- Excellent understanding of the DoD RMF lifecycle and NIST 800-53 controls implementation.
- Awareness of NIST Special Publication 800-82, Guide to Industrial Control Systems (ICS) Security, and UFC 4-010-06 Unified Facilities Criteria (UFC) Cybersecurity of Facility.
Travel
Up to 10% annual, CONUS and OCONUS locations.
What We Offer
- A collaborative team inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better.
- An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years.
- Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement.
- Open and transparent communication with senior leadership as well as local office management.
Abilities
- Exposure to computer screens for an extended period of time.
- Sitting for extended periods of time.
- Reach by extending hands or arms in any direction.
- Have finger dexterity to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.
- Listen to and understand information and ideas presented through spoken words and sentences.
- Communicate information and ideas in speaking so others will understand.
- Read and understand information and ideas presented in writing.
- Apply general rules to specific problems to produce answers that make sense.
- Identify and understand the speech of another person.