Senior Windows Systems Administrator

DecisionPoint Corporation; United States; On-site; EUR 103,000 - 155,000; Full time

Job summary

DecisionPoint Corporation seeks an experienced Senior Windows Systems Administrator to serve as a technical SME for Windows Server, Active Directory, and IIS environments. You will maintain mission-critical systems, resolve complex production issues, and support virtualization while implementing security hardening and vulnerability remediation.

This remote role requires Top Secret clearance and deep expertise in DISA STIGs, RMF, and enterprise Windows security standards to ensure secure,

Qualifications

• Must hold an active Top Secret clearance.
• Bachelor’s degree in Computer Science, Information Technology, DevOps Engineering, or a related field.
• 10+ years of hands-on Windows Server administration experience.
• Expert-level Windows Server experience in enterprise or mission-critical environments.
• Strong hands-on experience with Active Directory, Group Policy, DNS, authentication, and domain services.
• Strong experience administering and troubleshooting Microsoft IIS.
• Advanced Windows troubleshooting skills including Event Viewer, services, permissions, performance, networking, and application issues.
• Experience with DISA STIG, DoD RMF, Windows security hardening, and vulnerability remediation.
• Strong understanding of NTFS permissions, certificates, SSL/TLS, Windows networking, and enterprise authentication.

Responsibilities

• Serve as the technical SME for Microsoft Windows Server, Active Directory, and IIS environments.
• Administer, configure, patch, upgrade, monitor, and troubleshoot enterprise Windows Server systems.
• Manage and support Active Directory, including users, groups, OUs, Group Policy, DNS integration, trusts, and domain services.
• Install, configure, secure, tune, and troubleshoot Microsoft IIS web server environments.
• Perform advanced troubleshooting across Windows services, event logs, authentication, permissions, storage, CPU, memory, networking, and application connectivity.
• Apply DISA STIGs and harden Windows systems to meet DoD RMF security requirements.
• Manage Group Policy Objects (GPOs) and enterprise Windows security configurations.
• Perform root-cause analysis for complex production issues and system outages.
• Support virtualized Windows environments across development, test, and production.
• Maintain technical documentation, SOPs, system configurations, and operational procedures.
• Participate in production support and on‑call rotations as required.

Skills

Windows Server administration

Active Directory

Group Policy

DNS

IIS

Security hardening

Vulnerability remediation

DISA STIGs

RMF

enterprise Windows security

Education

Bachelor's degree in Computer Science / Information Technology / DevOps Engineering

Job description

DecisionPoint is seeking an experienced Senior Windows Systems Administrator to serve as a technical SME supporting enterprise Microsoft Windows Server, Active Directory, and IIS environments. The role requires advanced expertise in Windows administration, Active Directory, Group Policy, DNS, IIS, authentication, networking, and system troubleshooting. Responsibilities include maintaining mission-critical systems, resolving complex production issues, supporting virtualized environments, and implementing security hardening and vulnerability remediation. Experience with DISA STIGs, DoD RMF requirements, and enterprise Windows security standards is essential.

These positions are fully remote.

Duties & Responsibilities

• Serve as the technical SME for Microsoft Windows Server, Active Directory, and IIS environments.
• Administer, configure, patch, upgrade, monitor, and troubleshoot enterprise Windows Server systems.
• Manage and support Active Directory, including users, groups, OUs, Group Policy, DNS integration, trusts, and domain services.
• Install, configure, secure, tune, and troubleshoot Microsoft IIS web server environments.
• Perform advanced troubleshooting across Windows services, event logs, authentication, permissions, storage, CPU, memory, networking, and application connectivity.
• Apply DISA STIGs and harden Windows systems to meet DoD RMF security requirements.
• Manage Group Policy Objects (GPOs) and enterprise Windows security configurations.
• Perform root-cause analysis for complex production issues and system outages.
• Support virtualized Windows environments across development, test, and production.
• Maintain technical documentation, SOPs, system configurations, and operational procedures.
• Participate in production support and on‑call rotations as required.

Qualifications

Clearance Requirement

• Must hold an active Top Secret clearance

Education (Required)

• Bachelor’s degree in Computer Science , Information Technology, DevOps Engineering, or a related field.

Experience (Required)

• 10+ years of hands‑on Windows Server administration experience.
• Expert‑level experience with Microsoft Windows Server in enterprise or mission‑critical environments.
• Strong hands‑on expertise with Active Directory, Group Policy, DNS, authentication, and domain services.
• Strong hands‑on experience administering and troubleshooting Microsoft IIS.
• Advanced Windows troubleshooting skills, including Event Viewer, services, permissions, performance, networking, and application issues.
• Experience with DISA STIG, DoD RMF, Windows security hardening, and vulnerability remediation.
• Strong understanding of NTFS permissions, certificates, SSL/TLS, Windows networking, and enterprise authentication.

Our Equal Employment Opportunity Policy

• EEO and Affluent Action Policy: DecisionPoint Corporation is an Equal Employment Opportunity and Affluent Action employer. It is the policy of DecisionPoint Corporation to provide equal employment opportunity in accordance with all applicable Equal Employment Opportunity/Affluent Action laws, directives and regulations to all employees and qualified applicants without regard to race, ethnicity, color, religion, national origin, sex, age, disability status, pregnancy, sexual orientation, gender identity, genetic information, protected veteran status, or any other protected status under Federal, State or Local laws.
• Pay Transparency Policy: In accordance with Presidential Executive Order 13665, DecisionPoint Corporation will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.
• Authorization to Share Resume and Personal Information: By expressing your interest and submitting your resume for this position, you authorize DecisionPoint Corporation to share your resume, as well as personal information included on the resume, with its subsidiaries, affiliates and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education and experience. Should DecisionPoint Corporation. or its affiliates and teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents.