Windows Systems Administrator and Vulnerability Management Coordinator

• Job Family : IT Cyber Security Travel Required : None Clearance Required : Ability to Obtain Public Trust What You Will Do:
• Install, configure, patch, monitor, back up, and maintain Windows Server operating systems across physical, virtual, and cloud-hosted environments.
• Manage file systems and storage using volume management techniques; monitor and optimize file system performance.
• Monitor system performance, capacity, and availability while performing operating system tuning and optimization.
• Support on-premises VMware vSphere workloads and assist with workload migration and transition into Microsoft Azure.
• Manage Windows Server environments hosted in Azure and other cloud platforms.
• Utilize cloud-native tools such as Azure Monitor, Azure Update Management, and Defender for Cloud to maintain system health, performance, and compliance.
• Configure and maintain Active Directory, DNS, DHCP, Group Policy, and related Windows services across hybrid environments.
• Harden systems in accordance with cybersecurity policies, standards, regulations, and accreditation requirements.
• Identify, remediate, and resolve operating system security vulnerabilities.
• Manage domain user accounts, permissions, and role assignments.
• Troubleshoot and resolve Tier 3 incidents and service requests while coordinating with customers and vendors as needed.
• Automate administrative and operational tasks using PowerShell, Ansible, and related automation tools.
• Maintain enterprise source code and configuration repositories using GitLab.
• Provide 24x7 operational support and participate in on-call activities as required.
• Document system changes, incidents, and problem resolutions using Configuration Management and ITSM tools.
• Develop and provide knowledge transfer documentation to support operational continuity.
• Participate in Agile and DevSecOps initiatives supporting infrastructure and platform services.
• Support Windows Server 2016, 2019, and 2022 environments across VMware, Azure, AWS, and GCP platforms.
• Administer and support technologies including Azure VMware Solution (AVS), VMware vSphere, PowerShell, Ansible, GitLab, Carbon Black, CyberArk, Defender, Remedy, and ServiceNow. What You Will Need:
• Minimum of SIX (6)+ years of overall work experience.
• Engineering-level experience supporting Microsoft Windows Server in enterprise data center environments.
• Experience managing Windows workloads in Microsoft Azure, including hybrid cloud environments and workload migrations.
• Experience supporting VMware-based infrastructure and virtualization platforms.
• Demonstrated ability to lead troubleshooting, root cause analysis, and resolution efforts for complex technical issues.
• Experience collaborating with technical and business stakeholders to deliver operational solutions.
• Experience with Ansible.
• Strong experience with PowerShell scripting and infrastructure automation.
• Experience using automation tools, with Ansible preferred.
• Experience supporting and maintaining Active Directory, DNS, DHCP, Group Policy, and other core Windows services.
• Working knowledge of cloud monitoring, security, and compliance tools.
• Strong written and verbal communication skills in English.
• Exceptional customer service and client support capabilities.
• Strong organizational, multitasking, time-management, and prioritization skills.
• Ability to communicate technical concepts effectively to both technical and non-technical audiences.
• Experience operating within ITIL-based service management environments.
• Ability to work both independently and collaboratively in a fast-paced environment.
• Willingness to participate in 24x7 support activities and occasional on-site response requirements.
• U.S. Citizenship is required in accordance with this contract. No visa or sponsorship eligibility offered
• Must be able to OBTAIN and MAINTAIN a Federal "PUBLIC TRUST".. Candidates with an ACTIVE PUBLIC TRUST or SUITABILITY are preferred. What Would Be Nice To Have:
• Experience with Azure VMware Solution (AVS) or similar hybrid cloud hosting models.
• Experience supporting cloud platforms beyond Azure, including AWS and Google Cloud Platform (GCP).
• Hands-on experience with cybersecurity tools such as Carbon Black, CyberArk, Microsoft Defender, and related security technologies.
• Experience with GitLab-based source code and configuration management practices.
• Familiarity with Agile delivery methodologies and DevSecOps practices.
• Experience with ITSM platforms including ServiceNow and Remedy.
• Knowledge of security accreditation, compliance, and system hardening processes within federal environments.
• Experience participating in enterprise cloud modernization or migration initiatives.
• Microsoft, Azure, VMware, ITIL, Security, or automation-related certifications.

What We Offer

Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.

Benefits

• include: Medical, Rx, Dental & Vision Insurance Personal and Family Sick Time & Company Paid Holidays Parental Leave 401(k) Retirement Plan Group Term Life and Travel Assistance Voluntary Life and AD&D Insurance Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts Transit and Parking Commuter Benefits Short-Term & Long-Term Disability Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities Employee Referral Program Corporate Sponsored Events & Community Outreach Care.com annual membership Employee Assistance Program Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)
• Position may be eligible for a discretionary variable incentive bonus About Guidehouse Guidehouse is an Equal Opportunity Employer–Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.
• Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.
• If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1-571-633-1711 or via email at RecruitingAccommodation@guidehouse.com .
• All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.
• All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or guidehouse@myworkday.com .
• Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse.
• Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event.
• Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.
• If any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse’s Ethics Hotline.
• If you want to check the validity of correspondence you have received, please contact recruiting@guidehouse.com .
• Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant’s dealings with unauthorized third parties.
• Guidehouse does not accept unsolicited resumes through or from search firms or staffing agencies.
• All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.