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Staff, Software Engineer | Bentonville, Arkansas
Walmart
BENTONVILLE, AR
- $110,000 to $220,000 USD / year
As a Staff Software Engineer, you will lead the design and delivery of scalable platform capabilities, driving the full software development lifecycle from coding to deployment and…
Added just now
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(USA) Senior, Software Engineer
Walmart
SUNNYVALE, CA
- $117,000 to $234,000 USD / year
As a Senior Software Engineer, you will lead the design, development, and delivery of scalable software solutions that align with business objectives. This role requires expertise in…
Added 9 mins ago
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Disaster Operations Casework Manager
American Red Cross
Statewide, DC
- $100,000 to $120,000 USD / year
Accountable for the linkage between Casework Transformation Operations and Disaster Operations in the performance of Disaster Operations Casework services in support of all leveled disaster…
Added 9 mins ago
Senior Director Software Engineering
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Washington, DC
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Systems Admin, Intermediate
ASRC Federal Holding Company
Washington, DC
…managing access rights, accounts, and network resources. The engineer will ensure optimal system performance, capacity, availability, and serviceability. Additionally, responsibilities…
Added 9 mins ago
AT
Server Tech Services Engineer II
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Washington, DC
- $76,100 to $136,900 USD / year
As a Server Tech Services Engineer II, you will serve as a key technical leader. You will resolve high-severity hardware and network issues across Akamai's infrastructure. In this role, you…
Added 9 mins ago
Sr. Solutions Engineer
IBM
WASHINGTON, DC
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Added 20 mins ago
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Manpower Engineering
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Strong understanding of automation concepts and engineering fundamentals, with the ability to evaluate solutions for performance and reliability.
Added 24 mins ago
Vendor Operations Associate
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South San Francisco, CA
This role is based in South San Francisco and offers a hybrid schedule working 3 days per week on campus
Added 36 mins ago
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Senior Backend/Full Stack Engineer
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San Francisco, CA
- $100,000 to $200,000 USD / year
- Use AI coding agents effectively while reviewing generated code and understanding its operational impact.
Added 37 mins ago
Field Service Engineer 1
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Added 37 mins ago
Field Service Engineer 2
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Added 47 mins ago
Healthcare Engineer
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Selective Service Registration is required for males born after 12/31/1959
Added 47 mins ago
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Continuous Improvement Engineer - Portage WI
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- $72,500 to $115,500 USD / year
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Added 48 mins ago
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Added 49 mins ago
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Staff Engineer Systems
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…communications, advanced algorithms, digital engineering, and high-performance…
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Senior Digital Signal Processing Engineer
Impulse Space
Redondo Beach, CA
- $130,000 to $280,000 USD / year
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Added 51 mins ago
Sr. Principal Network Communications
Northrop Grumman
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Applicants must have an active U.S
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Five Stones Research Corporation

Principal Systems Administrator (Linux & Windows)

Fort Huachuca, AZ, United States

Apply on recruiting2.ultipro.com About employer

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Job details

Posting language: English
Posted: Nov 12, 2026

Original job description

Principal Systems Administrator (Linux & Windows)

Position Overview Type: Full-Time

Location: Fort Huachuca, AZ

Travel: None expected

Clearance: Department of Defense (DoD) Secret security clearance.

Work Authorization: U.S. Citizenship required

Summary/Objective

Five Stones Research Corporation (5SRC) is seeking energetic candidates to join our established and growing Huntsville-headquartered team.

Essential Functions

Endpoint Lifecycle Management & MECM/SCCM Administration

Serve as the primary administrator for Microsoft Endpoint Configuration Manager (MECM / SCCM), managing infrastructure health, site systems, distribution points, and client agent health across all connected enclaves.
Engineer, test, deploy, and maintain standardized Windows Operating System Deployment (OSD) task sequences and baseline golden images.
Package, test, distribute, and automate application installations, scripts, and software updates across heterogeneous lab and hosting workstations and servers.
Manage and orchestrate enterprise-wide software update distribution using Software Update Points (SUP) integrated with Windows Server Update Services (WSUS).
Create and deploy custom compliance baselines and configuration items (CIs) to enforce security settings, STIG configurations, registry keys, and audit controls.
Develop custom MECM queries, device collections, and reports (SSRS) to provide real-time hardware/software inventory, asset discovery, and compliance auditing.

Systems Administration (Linux & Windows)

Administer, build, configure, and maintain physical and virtual Red Hat Enterprise Linux (RHEL) servers, modern Windows Servers (2019/2022), and Windows 10/11 workstations.
Manage core directory and identity infrastructure, including Active Directory Domain Services (AD DS), Group Policy Objects (GPOs), DNS, DHCP, and role-based access control.
Troubleshoot and maintain enterprise Linux services, including SE Linux policies/security contexts, daemon services (systemd, chronyd), file systems (/opt, logical volumes), and local package managers.
Maintain hypervisor and storage infrastructure, including Nutanix, VMware ESXi/vCenter, and enterprise backup/restore solutions (e.g., Cohesity, snapshots).
Support basic multi-tier database hosting and connectivity for Oracle and Microsoft SQL server backends.
Process, approve, and maintain user access documentation and account provisioning via DD Form 2875 and identity management systems.
Issue, configure, and troubleshoot Public Key Infrastructure (PKI) certificates, CAC authentication, and secure remote protocols across all client and server endpoints.

Cybersecurity, Vulnerability Management & Compliance

Maintain strict system security posture in compliance with Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) and Security Requirements Guides (SRGs).
Execute, review, and analyze weekly Assured Compliance Assessment Solution (ACAS / Tenable Nessus) vulnerability scans and monthly STIG evaluations.
Rapidly remediate identified CVEs, IAVM alerts, CTO/DTO directives, and vendor patches across both Windows and Linux fleets.
Draft, track, and update Plans of Action and Milestones (POA&Ms) for items requiring architectural mitigations or extended test schedules.
Maintain endpoint security agents across all hosts, including Trellix/ePO agents, endpoint detection and response (EDR), and application whitelisting tools (e.g., fapolicyd).
Monitor and analyze system, security, and application logs using SIEM and centralized log management tools (e.g., LogRhythm, Elastic Fleet).

Required Qualifications:

One of the following combinations of education and experience:
Requires a Master’s degree
Bachelor’s degree with at least 4 years of experience
Associate’s and at least 6 years of experience.
One year of experience can be substituted by 15 semester hours completed towards a Master’s degree. Additional certifications (other than those required for the position) in the area of specialization be substituted for experience but varies by certification. The degree must be in a relevant technical curriculum and experience must be related to the job duties.
Minimum of 3–5+ years of hands-on systems administration experience across mixed Linux (RHEL) and Windows enterprise server/workstation environments.
Minimum of 2+ years of dedicated, hands-on administration of Microsoft Endpoint Configuration Manager (MECM / SCCM) in an enterprise or lab environment.
Active DoD 8570/8140 IAT Level II Baseline Certification (e.g., CompTIA Security+ CE, CCNA Security, CySA+, GICSP, GSEC, or SSCP).
Relevant computing environment (CE) / vendor training or certification in Microsoft Windows Server/MECM or Red Hat Enterprise Linux (or ability to complete within 6 months of hire).

Preferred Qualifications:

Demonstrable proficiency configuring, operating, and troubleshooting MECM/SCCM (OSD, application packaging, software update deployments, collection management).
Strong working knowledge of Linux administration, specifically Red Hat Enterprise Linux (RHEL), CLI troubleshooting, package management, daemon tuning, and SELinux enforcement.
Solid experience with Windows Server (2019/2022) administration, Active Directory, GPO authoring/troubleshooting, and DNS.
Experience with DoD vulnerability and compliance tooling: ACAS (Tenable/Nessus), SCAP Compliance Checker (SCC), and STIG Viewer (.ckl generation).
Understanding of enterprise backup technologies, bare-metal server recovery, and hypervisor virtualization (Nutanix AHV, VMware).
Excellent written communication skills for authoring Standard Operating Procedures (SOPs), weekly status reports, and technical troubleshooting documentation.
Prior experience administering systems within DoD enterprise testing facilities, operational lab environments, or defense staging enclaves.
Proficiency with PowerShell scripting and Linux Shell (Bash) scripting to automate routine administration, reporting, and deployment tasks.
Hands-on experience managing and troubleshooting enterprise backup appliances (e.g., Cohesity) and application whitelisting tools (e.g., fapolicyd).
Familiarity with Elastic Agent/Fleet management, LogRhythm, or enterprise SIEM architectures.
Basic understanding of perimeter network components (firewalls, VPNs, F5 BIG-IP load balancers) and cloud hosting environments (AWS GovCloud).

What We Offer:

401(k) Matching
Company Events
Dental Insurance
Employee Recognition Programs
Health Insurance
Life Insurance
Paid Time Off
Parental Leave
Performance Incentives
Student Loan Repayment
Tuition Reimbursement
Vision Insurance

This position will be posted for a minimum of 3 business days. If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed. To be considered for this position, applicants must apply online by clicking “Apply” on the specific position on our careers site.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran

Apply on recruiting2.ultipro.com About employer

More about this job

Skills

Linux
Microsoft Windows
Microsoft Windows Server
Regulatory compliance
Auditing
System administration
Red Hat Enterprise Linux
Microsoft Active Directory
DNS
DHCP
Troubleshoot
VMware
Oracle
Microsoft SQL Server
Documentation
Security regulations
Tenable Nessus
LogRhythm
Security+
CCNA
Troubleshooting
Packaging
Collection management
Communication skills
Microsoft PowerShell
Bash
Reporting
AWS

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Jobs in the United States