Senior Systems Administrator III

Cape Fox Corporation; Dugway (UT); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Life and disability insurance

Tuition reimbursement

401K with company match

Job summary

Cape Fox Corporation’s Cape Fox Federal Integrators (CFFI) seeks a Senior Systems Administrator III to support a federal government client at Dugway Proving Ground, UT. You will design, deploy, and manage Windows and Linux server environments with a focus on security, availability, and RMF/STIG compliance.

The role requires DoD IAT Level III readiness, Active Top Secret clearance eligibility, and collaboration with network, cybersecurity, and application teams.

Qualifications

• Must have a high school diploma or equivalent.
• Minimum of 5 years’ experience as a Systems Administrator.
• Active U.S. citizenship and ability to obtain/security clearance.
• DoD IAT Level III certification or equivalent required.
• Experience with Windows/Linux server environments in an enterprise.
• Experience with security baselines, STIGs, RMF processes.
• Proven backup, disaster recovery, and documentation skills.
• Strong collaboration with network, cybersecurity, and application support teams.

Responsibilities

• Administers Windows Server and Linux server environments in a federal setting.
• Manage AD infrastructure, OUs, users, GPOs and trust relationships.
• Design and deploy security baselines and software deployment via GPOs.
• Patch cycles per IAVM requirements and STIG compliance.
• Implement backup/recovery solutions and test recovery procedures.
• Operate enterprise monitoring tools to detect issues proactively.
• Manage VMware vSphere/ESXi and Hyper‑V environments.
• Troubleshoot complex multi-system issues and perform root-cause analysis.
• Document systems, configurations, diagrams, and DR plans.
• Support RMF authorization activities and STIG remediation.
• Coordinate with network, DB, and app teams for interoperability.
• Provide Tier III support and mentor junior staff.

Skills

SNMP

CISCO

NAC

Active Directory

VMware/Hyper-V

RMF/DoD IAVM

Troubleshooting

System design

Cloud/Hybrid

Education

IAT Level III (DoD 8570.01-M)

GSEC

Security+ CE

SSCP

CySA+

CAP

CND

Cloud+

HCISPP

RHCSA

RHCE

VCP/VMware certs

Tools

Windows Server 2016/2019/2022

RHEL/CentOS

Active Directory/Group Policy

VDI/VMware vSphere/ESXi

Backup/DR (Veeam/Commvault)

Monitoring tools (SCOM/SolarWinds/Nagios)

DoD STIG hardening

RMF/IAM/Audit

Cloud/AWS GovCloud/Azure

PKI/Certificate services

Job description

Senior Systems Administrator III - (8907)

Job Title

Senior Systems Administrator III

Job Description

Cape Fox subsidiary, Cape Fox Federal Integrators (CFFI), is seeking a highly organized and motivated Senior Systems Administrator to join our team in support of a federal government client at Dugway Proving Ground, Utah. The Senior Systems Administrator will provide advanced enterprise server administration, infrastructure management, and systems engineering support for a federal government client. This individual will be responsible for the design, deployment, maintenance, and optimization of Windows and Linux server environments, ensuring high availability, security compliance, and operational readiness across the computing infrastructure. The Senior Systems Administrator will serve as a technical subject matter expert, providing mentorship to junior staff and collaborating with network, cybersecurity, and application support teams to deliver reliable IT services. This position is contingent upon the award.

The above salary range represents the company’s good faith and reasonable estimate of the range of possible compensation at the time of posting. In addition, we offer a variety of benefits, including company holidays, paid time off, health insurance, dental insurance, vision insurance, life and disability insurance, tuition reimbursement, as well as a 401K with company match. This job will be posted until filled or withdrawn.

Core Duties

• Administers, maintains, and optimizes Windows Server (2016/2019/2022) and Linux (RHEL/CentOS) server environments supporting the government mission
• Manages Active Directory (AD) infrastructure, including domain controllers, organizational units, user/group accounts, trust relationships, and Group Policy Objects (GPOs) to enforce security policies and operational standards
• Designs, implements, and maintains Group Policy configurations to ensure consistent security baselines, software deployment, and user environment management across the enterprise
• Plans and executes server patching cycles in accordance with DoD Information Assurance Vulnerability Management (IAVM) requirements, ensuring timely application of security updates and compliance with STIGs
• Implements and manages backup and disaster recovery solutions, including scheduling, validation, testing, and documentation of recovery procedures to ensure data integrity and business continuity
• Deploys and maintains enterprise monitoring tools to proactively identify system performance issues, capacity constraints, and potential failures before they impact mission operations
• Performs server hardware and virtual infrastructure management, including VMware vSphere/ESXi or Hyper-V environments
• Troubleshoots complex system issues across multi-platform environments, performing root cause analysis and implementing permanent corrective actions
• Develops and maintains system documentation, including standard operating procedures, network diagrams, configuration baselines, and disaster recovery plans
• Supports cybersecurity compliance activities, including Security Technical Implementation Guide (STIG) application, vulnerability remediation, and participation in Risk Management Framework (RMF) authorization processes
• Coordinates with network administrators, database administrators, and application support teams to ensure seamless integration and interoperability of enterprise systems
• Provides Tier III technical support and escalation resolution for complex server and infrastructure issues
• Mentors junior systems administrators, providing technical guidance and knowledge transfer to build team capability

Travel Requirements

25 - 50%

Job Requirements

• Must have a high school diploma or equivalent
• Minimum of 5 years’ experience within the past 10, working as a Systems Administrator
• Required Skillset: SNMP, CISCO, NAC
• Minimum of One Qualifying Baseline certification GSEC, Security+ CE, SSCP, CySA+, GICSP, CND, GCIH, GCED, or CASP CE
• Minimum of One Qualifying Baseline certification CAP, CND, Cloud+, GSLC, Security+ CE, or HCISPP
• Minimum of One Qualifying Computing Environment or other relevant computing environment certification(s): RHCSA, RHCE, RHCA, MCITP, MCSA, MCSE, MCTS, VCP, VCAP, VCIX, VCDX, or EMC Specialist
• Experience in EMC, SharePoint, Citrix, VMWare, Windows Server, Red Hat Linux
• Demonstrated hands-on experience Directory & Authentication, Storage & Virtualization, Ops Support
• Experience in Project Management, Agile, and ITIL
• Must maintain current Information Assurance Technician (IAT) Level III professional certification per DoD 8570.01-M/8140.03
• Demonstrated hands-on experience administering Windows Server 2016, 2019, and/or 2022 in an Active Directory domain environment
• Demonstrated experience administering Red Hat Enterprise Linux (RHEL) or CentOS systems in an enterprise environment
• Proficiency in Active Directory design and management, including Group Policy creation, management, and troubleshooting
• Experience implementing and managing enterprise backup and recovery solutions (e.g., Veeam, Commvault, or equivalent)
• Experience with server monitoring and alerting tools (e.g., SCOM, SolarWinds, Nagios, or equivalent)
• Knowledge of DoD STIG compliance requirements and experience hardening Windows and Linux systems
• Strong troubleshooting and analytical skills with the ability to resolve complex multi-system issues under time constraints
• Strong written and verbal communication skills with the ability to present complex technical information to diverse audiences
• Proficient in the use of computers and software required to perform work (e.g., Microsoft Office software)
• Knowledge of PKI/certificate services administration in a DoD environment
• Experience with cloud or hybrid cloud environments (Azure, AWS GovCloud)
• Must provide copies of certifications
• Must be a U.S. citizen
• Must have an Active Secret security clearance and SCI eligibility
• Must have authorization to work in the United States as defined by the Immigration Reform Act of 1986

Cape Fox Corporation, its subsidiaries, and affiliates provide equal employment opportunities to all persons and prohibit employment decisions on the basis of race, religion, color, creed, national origin, sex, age, disability, political affiliation, protected veteran status, or sexual orientation, or any other characteristic protected by federal, state, or local law. Cape Fox Corporation, its subsidiaries, and affiliates offer preference to Cape Fox Corporation Shareholders, descendants, and other Native Americans pursuant to Public Law 100-241.

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Category

Information Technology

Location

Dugway Proving Ground - Dugway, UT 84022 US (Primary)