JobsUSAInfrastructure Administrator
Company : Vaco
Location : Glen Allen, VA
Posted Date : 15 September 2025
Job Type : Other
Category : Administrative Assistance
Occupation : Administrator
Job Details
We are looking for an experienced Infrastructure Administrator with deep expertise in Microsoft technologies, Azure Cloud architecture, Networking, Windows Server administration, and Cybersecurity best practices. This role is critical in managing and maintaining hybrid infrastructure environments, ensuring high availability, performance, and security of key business systems.
Key Responsibilities
1. Azure Cloud & Hybrid Infrastructure
- Design, implement, and manage Azure-based infrastructure, including Azure AD, Virtual Machines, Storage, Networking, and Resource Groups.
- Integrate on-premises infrastructure with Azure in a hybrid environment.
- Implement security policies, identity management, and role-based access control (RBAC) within Azure.
- Optimize cost management, automation, and performance tuning in Azure.
- Maintain Windows Server environments (2012/2016/2019/2022), including Active Directory, DNS, DHCP, Group Policy (GPOs), and file services.
- Perform server health monitoring, patch management, and disaster recovery planning.
- Ensure regular system updates and capacity planning.
- Configure and manage LAN/WAN, VPNs, VLANs, DNS, DHCP, and network segmentation.
- Work with firewalls, load balancers, and network appliances to enhance security and performance.
- Collaborate with MSPs, CSPs, and third-party vendors for network troubleshooting and provisioning.
- Implement security protocols, endpoint protection, firewalls, and multi-factor authentication (MFA).
- Monitor for vulnerabilities, apply remediations, and enforce security baselines.
- Assist with audits, compliance (ISO, NIST, GDPR, etc.), and security awareness training.
- Administer SIEM solutions, conduct log analysis, and generate security reports.
- Use tools like Microsoft Sentinel, Azure Monitor, System Center (SCOM), and third-party monitoring solutions.
- Perform regular system health checks and proactive performance tuning.
- Respond to alerts, troubleshoot incidents, and conduct root cause analysis.
- Administer and support SharePoint (Online & On-Prem), Teams, OneDrive, and Exchange Online.
- Manage document repositories and content management workflows.
- Provide support and integration for business applications and collaboration platforms.
- Maintain IT documentation, including procedures, configurations, and change logs.
- Provide Tier 2/3 support for escalated IT issues.
- Participate in IT project planning, upgrades, migrations, and system rollouts.
- Support remote access tools and mobile device management (Intune, etc.).
- 7 years of experience as a System Administrator in an enterprise environment.
- Strong expertise in Azure IaaS/PaaS, Azure Active Directory, and Windows Server OS.
- Proficiency in networking concepts and security architecture.
- Hands-on experience with PowerShell scripting and automation.
- Experience with enterprise firewalls, VPN concentrators, and endpoint security solutions.
- Knowledge of SIEM tools, patch management, vulnerability scanning, and compliance standards.
- Familiarity with SharePoint administration and document management practices.
- Excellent problem-solving skills and ability to work under pressure.
- Microsoft Certified: Azure Administrator Associate
- Microsoft Certified: Azure Solutions Architect Expert
- Microsoft Certified: Windows Server Hybrid Administrator Associate
- CompTIA Security / Network
- CISSP (Certified Information Systems Security Professional) or equivalent
- Cisco CCNA or equivalent networking certification
Vaco by Highspring is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race (including but not limited to traits historically associated with race such as hair texture and hair style), color, sex (includes pregnancy or related conditions), religion or creed, national origin, citizenship, age, disability, status as a veteran, union membership, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, political affiliation, or any other protected characteristics as required by federal, state or local law.
Vaco by Highspring and its parents, affiliates, and subsidiaries are committed to the full inclusion of all qualified individuals. As part of this commitment, Vaco by Highspring and its parents, affiliates, and subsidiaries will ensure that persons with disabilities are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact .
Vaco by Highspring also wants all applicants to know their rights that workplace discrimination is illegal .
By submitting to this position, you agree that you will be giving Vaco by Highspring the exclusive right to present your as a candidate for the foregoing employment opportunity. You further agree that you have represented information about yourself accurately and have not affirmatively misrepresented your qualifications. You also agree to maintain as confidential, to the fullest extent permitted by law, any information you learn from Vaco by Highspring about the position and you will limit disclosure of information about the position only to the extent necessary to perform any obligations in furtherance of your application. In exchange, Vaco by Highspring agrees to exercise reasonable efforts to represent you through all solicitation, job screening and resume dispersal.
Privacy Notice
Vaco by Highspring and its parents, affiliates, and subsidiaries ("we," "our," or "Vaco by Highspring") respects your privacy and are committed to providing transparent notice of our policies.
- California residents may access Vaco by Highspring HR Notice at Collection for California Applicants and Employees here .
- Virginia residents may access our state specific policies here .
- Residents of all other states may access our policies here .
- Canadian residents may access our policies in English here and in French here .
- Residents of countries governed by GDPR may access our policies here .
Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to:
- the individual's skill sets, experience and training;
- licensure and certification requirements;
- office location and other geographic considerations;
- other business and organizational needs.
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