System Administrator 3 - Dallas, TX

M.C. Dean, Inc • Dallas, TX

7d • Onsite

About The Position

M.C. Dean is seeking a System Administrator 3 to join their Security and Electronic Systems (SES) business unit. This role involves the design, implementation, operations, maintenance, and cybersecurity of large, complex resilient hardware and virtualised infrastructure to ensure solutions meet stakeholder needs, standards, and performance requirements. The position requires onsite support in the Washington D.C. area and involves monitoring, maintaining, and testing Physical Access Control, CCTV, PSIM, and other electronic security systems, as well as supporting IT systems for endpoint devices. The role provides Tier 2 problem resolution and escalation, requiring flexibility in schedule, travel ability, and professional communication skills.

Requirements

• Bachelor's Degree and 5+ Years of progressive experience or Associates Degree and 8+ Years of progressive experience or HS Diploma or Equivalent and 10+ Years of progressive experience
• System administrator experience in performing triage on system problems, resolving the system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.
• 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.
• Reliable attendance at customer site during work hours required by customer.
• Ability to work flexible shifts that include nights, weekends and holidays as needed.
• 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.

Nice To Haves

• 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

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 to include Active Directory management, monitoring and reviewing system logs.
• Configure and maintain virtual hypervisors to include VMware and Hypervisor.
• Deploy, configure, and maintain Virtual Desktop Infrastructure (VDI) platforms to include 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 fulfill those requirements.
• Perform root cause analysis on significant issues across all tiers of support.
• Perform preventive maintenance actions including system back-ups, error log reviews, database size analysis, and integrity checks.
• Develop new system and application implementation plans to include 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 (SOP) and as builds for both technical and non-technical audiences.
• Train system users and other system support personnel as needed.
• Perform all duties with minimal direct supervision.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level