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Linux/Windows Systems Engineer with Security Clearance

D2 ConsultingFort Belvoir, VA🇺🇸United StatesPosted 23 Jul 2026

Quick Overview

Salary
$130k - $140k/yr
Work Type
Hybrid
Schedule
Employee
Level
Mid Senior

Job Description

New Linux/Windows Systems Engineer Fort Belvoir, VA Apply **ACTIVE TS/SCI SECURITY CLEARANCE WITH POLYGRAPH REQUIRED** Join Our Team as an IT Engineer and Make an Impact in Federal Intelligence Operations! D2 Consulting is seeking a skilled and motivated IT Engineer with a strong background in Microsoft Enterprise Systems Administration and Linux desktop environments to join our high-performing team supporting a Federal Intelligence Agency contract. If you're passionate about both Windows and Linux technologies, eager to work in a collaborative and mission-critical setting, and looking to expand your impact, this opportunity is for you. Along with a competitive salary and comprehensive health and personal benefits, you'll have the chance to sharpen your technical skills while working alongside a team of experienced professionals in a fast-paced and secure environment. What You'll Do: As an IT Engineer, you’ll be a critical player in delivering Tier II support across multiple large enterprise environments that include both Windows and Linux-based desktop and server systems. You will operate within multiple security enclaves in a hybrid Windows & Red Hat Enterprise Linux (RHEL) environment, ensuring consistent system performance and reliability. Your Primary Responsibilities Will Include: * System Administration & Advisory: Administer both Windows and Linux workstations, including EVDI and physical systems, to ensure stability, performance, and security. * Linux Desktop Support: Provide direct support for Linux desktop users, resolving issues related to system performance, configuration, software compatibility, and user environment optimization. * Troubleshooting & Incident Resolution: Diagnose and resolve issues affecting both Windows and Linux systems, including application crashes, connectivity issues, and performance degradation. * User Experience Improvement: Analyze and resolve user issues across platforms, and work with cross-functional teams to implement improvements. * Customer Support: Deliver Tier II support for Linux and Windows applications, offering remote desktop assistance and escalating as needed. * Proactive Solutions: Identify and implement both immediate and long-term fixes to technical problems, ensuring minimal impact on operations. * Collaboration & Communication: Work effectively within small and large teams, and communicate clearly with both technical and non-technical stakeholders. * Incident Management: Lead triage, response, and communication for system incidents, contributing to major projects and continuous improvement efforts. What We're Looking For: We’re looking for an experienced IT professional with hands-on expertise in both Windows and Linux environments, particularly with a strong emphasis on Linux desktop support and troubleshooting. Minimum Requirements: * Bachelor’s Degree in Computer Science, Engineering, or a related field – or equivalent technical training, work, or military experience. * 8+ years of experience in systems administration supporting both Windows and Linux operating systems. * Active TS/SCI with Polygraph clearance is required. * A valid DoD Information Assurance (IA) certification (such as CompTIA Security+ CE, SSCP, or CCNA-Security) is necessary; CompTIA Security+ CE is preferred. * Must obtain DoD 8570 Computing Environment (CE) training within 6 months of hire. Technical Expertise Should Include: * Linux Desktop Administration (Red Hat, CentOS, or Ubuntu) – installation, configuration, and user support. * Windows 10, Server 2012, Server 2016. * Active Directory, DNS, DHCP, DFS, LDAP. * Application troubleshooting (Outlook, Excel, Word, Java, browsers). * Familiarity with ServiceNow, NETS, or similar ticketing systems. * Solid understanding of ITIL v3 or higher. Bonus Skills (Not Required but a Plus): * Experience with Microsoft System Center Configuration Manager (SCCM). * PowerShell or Bash scripting. * Familiarity with virtualization technologies (VMware, Citrix). * Experience with profile management tools like VMware UEM. * Working knowledge of Microsoft Exchange and AV/telephony support. * Networking fundamentals. * Familiarity with agency-specific requirements and secure environments. Ready to join a mission-focused team and grow your technical career in both Windows and Linux systems administration? Apply today and become part of a community that values innovation, integrity, and service excellence. Additional Information * All your information will be kept confidential according to proper guidelines. * Compensation is unique to each candidate and relative to the skills and experience they bring to the position. The salary range for this position is typically $130k-140k. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range. * Highlights of our benefits include Health/Dental/Vision, 401(k) match, Accrued PTO, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and more! D2 Consulting is committed to a merit-based recruitment process and encourages applications from all qualified individuals.  As a Veteran-Owned Small Business, we particularly welcome applications from veterans who have the requisite skills and experience.  Job applicants that are interested in one of our openings and may require a reasonable accommodation to participate in the job application or interview process, should contact us to request an accommodation.

Skills

Active Directory
Bash
DNS
Java
LDAP
PowerShell
VMware

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