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Open nowPosted 24 days ago

Senior Systems Administrator

Yulista Holding LLC147 open roles

Where
Huntsville, AL
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Your applicationOpen nowSenior Systems AdministratorYulista Holding LLC · Huntsville, AL

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market. Yulista Holding LLC postings stay open a median of 26 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.3%14 days
  5. 35.6%30 days
  6. 58.1%60 days
This job: posted 24 days ago

Yulista Holding LLC median: 26 days open

The posting

StraitSys Inc Regular Position Summary The Senior Systems Administrator is responsible for the design, administration, security, automation, and operational support of the organization's enterprise Windows server infrastructure, Active Directory, virtualization platforms, and hybrid cloud services. This position serves as the senior technical resource for Microsoft server technologies and provides technical leadership for infrastructure modernization, automation, and operational excellence. This position will be onsite in Huntsville, Alabama Essential Functions Administer Windows Server 2016, 2019, and 2022 environments while preparing for Windows Server 2025. Design, administer, and troubleshoot Active Directory in complex multi-domain and multi-forest environments. Manage DNS, DHCP, IPAM, DFS, File Services, Print Services, and Active Directory Certificate Services. Administer Microsoft Entra ID hybrid identity, Azure AD Connect, Conditional Access, MFA, and PIM. Manage Azure Virtual Desktop (AVD), Remote Desktop Services (RDS), Windows 11 Multi-Session, FSLogix, host pools, and image management. Develop PowerShell automation, Azure Automation runbooks, and repeatable operational workflows. Administer Hyper-V, Azure IaaS, Azure Backup, Azure Site Recovery, and hybrid networking. Implement enterprise security controls including Defender, LAPS, BitLocker, Credential Guard, Sentinel, and security baselines. Perform advanced troubleshooting using Sysinternals, Event Viewer, PerfMon, ETW tracing, and packet analysis. Develop documentation, standards, and operational procedures. Mentor junior administrators and provide technical leadership during projects and production incidents. Required Qualifications 7+ years administering Windows Server in enterprise environments, including multi-domain or multi-forest Active Directory, GPO and DNS 3+ years operating production workloads in Azure: VMs, VNets, NSGs, Azure Monitor, backup and Site Recovery Hands-on Hyper-V (VMware a plus), including backup validation and VM migration Administering RDS and/or Azure Virtual Desktop in production Strong PowerShell: writes reusable, documented scripts and uses source control Works in a ticket queue and CAB-style change control, and writes clear runbooks Active Top Secret Clearance Experience supporting hybrid cloud environments and enterprise virtualization. Excellent troubleshooting, communication, and documentation skills. Preferred Qualifications Microsoft AZ-104 (Azure Administrator); AZ-800/801 (Windows Server Hybrid) or AZ-305 is a plus Identity management experience: Entra ID, HR-to-AD provisioning, SAML/SSO Infrastructure as code (Bicep, Terraform) or configuration automation Experience with multi-tenant or merger/divestiture environments Experience mentoring junior administrators Core Competencies Enterprise Systems Administration Infrastructure Automation Technical Leadership Operational Excellence Root Cause Analysis Mentoring Continuous Improvement Success Measures High availability of enterprise infrastructure. Successful delivery of modernization initiatives. Operational efficiency through automation. Secure and compliant infrastructure. High-quality documentation and knowledge sharing. PREFERENCE STATEMENT Preference will be given to Calista shareholders and their descendants and to spouses of Calista shareholders, and to shareholders of other corporations created pursuant to the Alaska Native Claims Settlement Act, in accordance with Title 43 U.S. Code 1626(g). EEO STATEMENT Additionally, it is our policy to select, place, train and promote the most qualified individuals based upon relevant factors such as work quality, attitude and experience, so as to provide equal employment opportunity for all employees in compliance with applicable local, state and federal laws and without regard to non-work related factors such as race, color, religion/creed, sex, national origin, age, disability, marital status, veteran status, pregnancy, sexual orientation, gender identity, citizenship, genetic information, or other protected status. When applicable, our policy of non-discrimination applies to all terms and conditions of employment, including but not limited to, recruiting, hiring, training, transfer, promotion, placement, layoff, compensation, termination, reduction in force and benefits. REASONABLE ACCOMMODATION It is Calista and Subsidiaries' business philosophy and practice to provide reasonable accommodations, according to applicable state and federal laws, to all qualified individuals with physical or mental disabilities. The statements contained in this job description are intended to describe the general content and requirements for performance of this job. It is not intended to be an exhaustive list of all job duties, responsibilities, and requirements. This job description is not an employment agreement or contract. Management has the exclusive right to alter the scope of work within the framework of this job description at any time without prior notice. Thank you for your interest in Yulista! As you get to know Yulista, you’ll discover that we encompass many subsidiaries, each offering unique and specialized capabilities within their respective fields. All our subsidiaries operate cohesively under the overarching Yulista umbrella. This allows us to leverage combined strengths, foster collaboration across diverse expertise areas, and provide comprehensive solutions to our customers. Since 2002, Yulista has leveraged our technical expertise to maintain aircraft and ground vehicles, advance aerospace technology and missile defense, support national security, and sustain base and maritime operations. In a fiercely competitive market, our agile teams embrace complex challenges, delivering mission-critical solutions. Yulista has been a trusted and preferred partner for mission-ready clients, renowned for consistently providing innovative expertise that drives success. Our greatest strength lies in the passion and commitment of our men and women who strive to make the impossible possible.

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