Linux Operating systems jobs

Network Deployment Technician, Infrastructure Delivery, AWS Data Center Global Network Delivery, GND

Amazon · Posted Nov 12, 2026

Open

Boardman, Oregon, United States
On-site
$31–$54 per hour
1+ years

Network Deployment Technician, Infrastructure Delivery, AWS Data Center Global Network Delivery, GND

Amazon · Posted Nov 12, 2026

Open

Boardman, Oregon, United States
On-site
$31–$54 per hour
1+ years

Network and Systems Engineer

Leidos · Posted Nov 12, 2026

Open

Huntsville, Alabama, United States
$58K–$105K per year
0+ years

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Network and Systems Engineer

Compensation

Pay Range $57,850.00 - $104,575.00

Responsibilities

Configure, maintain, troubleshoot, and secure systems and network devices
Manage system/server resources including performance, capacity, availability, serviceability, and recoverability
Maintain records on workstations, servers, routers, firewalls, network switches
Update servers, clients, applications, antivirus updates, maintain Active Directory, DNS, apply security patches, Continuous Monitoring logging, SCAP
Verify application software/network/system security postures

Requirements

Bachelor’s degree in relevant field
Nice to have: cybersecurity best practices
Nice to have: vulnerability management
Nice to have: system hardening
Nice to have: security compliance frameworks

Skills

network devices servers workstations Linux operating systems Red Hat Enterprise Linux

Information System Security Officer (ISSO) Intern

Rolls-Royce · Posted Nov 12, 2026

Open

Indianapolis, Indiana, United States
On-site
Internship · Intern

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As an ISSO Intern, you’ll work alongside our Information System Security Managers (ISSMs) and ISSOs to keep information systems functional, monitored, and compliant, gaining hands-on experience with the Risk Management Framework (RMF) in a cleared defense environment.

Responsibilities

Helping prepare and update System Security Plans (SSPs) and other RMF authorization artifacts, following NIST SP 800-53 and the DCSA Assessment and Authorization Process Manual (DAAPM)
Tracking Plans of Action and Milestones (POA&Ms) and following up with system owners on remediation
Running and reviewing vulnerability and configuration compliance scans (for example Nessus, the SCAP Compliance Checker and STIG checklists) and summarizing the findings
Performing routine audit log reviews and documenting the results for continuous monitoring
Supporting information assurance tasks such as account management, media protection, assured file transfers and hardware/software inventory

Requirements

Bachelor's degree in Cybersecurity
Bachelor's degree in Computer Science
Bachelor's degree in Information Systems
Bachelor's degree in Information Technology
Nice to have: ISO 27001

Skills

NIST SP 800-53 NIST SP 800-171

BMC Engineer

Lenovo · Posted Nov 12, 2026

Open

Morrisville, North Carolina, United States
5+ years

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Firmware Engineer for Lenovo’s Server BMC initiative within the Infrastructure Solutions Group (ISG).

Responsibilities

Design, develop, and maintain firmware for Lenovo servers’ BMC stack
Participate in collaborative planning calls and status meetings

Requirements

BS degree in Computer Science, Software Engineering, Computer Engineering, or a similar degree

Skills

firmware development Redfish IPMI HTTPS GNU C C++source code debugging Linux operating systems BASH scripting Python scripting

Firmware Engineer

Lenovo · Posted Nov 12, 2026

Open

Morrisville, North Carolina, United States

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Develop, debug, and test embedded firmware for Hyperscale servers based on ARM architecture, including code development, unit testing, debugging, and customer support.

Responsibilities

Write, debug and test embedded firmware for servers based on ARM architecture
Manage and maintain firmware build tools
Manage builds and release firmware to test
Recreate and fix problems reported by the test team

Requirements

Bachelor or Master degree in Computer Science, Software Engineering or Computer Engineering
Nice to have: Agile methodologies

Skills

C/C++Python Bash Linux Operating systems Windows Operating systems Network technologies Systems Management embedded processors firmware development Linux Kernel programming Linux driver development OS virtualization I2C protocols IPMI protocols Git source version control system

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Penetration Tester-Cyber Engineer

Strategic Sight Consulting · Posted Nov 12, 2026

Open

Aberdeen, Maryland, United States
On-site
Full-time · Mid
5+ years

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Penetration Tester supporting critical defense missions at Aberdeen Proving Ground, Maryland.

Responsibilities

Work hands-on with the latest electronics and cutting-edge technology.
Perform in-depth assessments and analyses of sophisticated systems using penetration testing and threat-hunting techniques.
Collaborate with a team of engineers from diverse backgrounds to tackle real-world problems.

Requirements

Bachelor's degree in a related field
Nice to have: Active TS/SCI
Nice to have: OSCP
Nice to have: OSCE
Nice to have: GPEN

Skills

penetration testing threat hunting grey and black box penetration testing OWASP Top 10 DoD NSA Vulnerability and Penetration Testing Standards

Cyber Engineer

Leidos · Posted Nov 12, 2026

Open

Dayton, Ohio, United States
On-site
Full-time · Mid
$87K–$157K per year
4–8 years

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Translate customer requirements into cyber and hardware solutions while operating in a flexible, research-focused environment, supporting hardware development and testbed architecture activities.

Compensation

Pay Range $87,100.00 - $157,450.00

Responsibilities

Apply Security Technical Implementation Guides (STIGs)
Run security scans and generate cyber artifacts
Open support tickets, order equipment, and troubleshoot user issues
Develop creative and innovative solutions to support hardware development and testbed architecture activities
Support multiple contracts for Cyber Security and Systems Administration tasks

Requirements

Bachelor's degree or equivalent in Computer Science, Computer Engineering or similar technical discipline
Nice to have: Simulator systems and environments
Nice to have: eMASS
Nice to have: CISSP
Nice to have: IAM II Certification

Skills

STIG application Security scanning Active Directory Group Policy Linux Configuration Management

NOC Technician Tier 2

Koniag Government Services, LLC · Posted Nov 12, 2026

Open

Washington, District of Columbia, United States
Hybrid
Full-time · Mid
3–5 years

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Experienced Network Operations Center (NOC) Tier 2 Technician to join the 7x24x365 NOC team supporting mission-critical infrastructure.

Responsibilities

Monitor and manage enterprise network infrastructure, servers, and applications using advanced monitoring and analysis tools
Receive escalated incidents from Tier 1 technicians and perform in-depth troubleshooting and root cause analysis
Diagnose and resolve complex network connectivity, performance, and configuration issues
Perform advanced analysis of network traffic, system logs, and performance metrics to identify and resolve issues
Execute configuration changes on network devices including routers, switches, firewalls, and load balancers

Requirements

Associate's degree in Computer Science, Information Technology, Network Engineering, or related field from an accredited college or university
Bachelor's degree in Computer Science, Information Technology, Network Engineering, or related field
Nice to have: Cisco CCNP
Nice to have: CompTIA Security+
Nice to have: ITIL Practitioner

Skills

TCP/IP networking BGP OSPF

Cybersecurity Firmware Engineer

Booz Allen Hamilton · Posted Nov 12, 2026

Open

Rome, New York, United States
Full-time · Mid
$62K–$141K per year
3+ years

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Compensation

The projected compensation range for this position is $61,900.00 to $141,000.00 (annualized USD).

Responsibilities

test and evaluate systems against a set of security requirements to evaluate potential risk
gain an understanding of and develop potential testing methodologies based on vendor provided system documentation
review hardware description language to identify potential threat vectors
assess hardware and software-based cross domain systems to ensure security compliance against strict DoD requirements
conduct analysis and testing to identify vulnerabilities and potential threat vectors in assessing various cross-domain systems

Requirements

Bachelor's degree
Nice to have: HDL verification techniques
Nice to have: SystemVerilog
Nice to have: OVM
Nice to have: UVM

Skills

VHDL OpenCL Linux Operating Systems Red Hat test plans and procedures

Mid-Level Infrastructure Systems Administrator

Peraton · Posted Nov 12, 2026

Open

Chantilly, Virginia, United States
On-site
Full-time · Mid
$104K–$166K per year
5+ years

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Support the build-out of a cloud-based classified environment with several Kubernetes clusters, artifact repositories, and supporting CI/CD infrastructure, managing OS configurations, system documentation, performance tuning, and maintaining mission-critical networked systems.

Compensation

Target Salary Range $104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

Responsibilities

Support the build-out of a cloud-based classified environment with several Kubernetes clusters, artifact repositories, and supporting CI/CD infrastructure
Manage operating system configurations, system documentation, performance tuning, software installations and updates, system hardening, and storage allocation
Monitor and maintain mission-critical, highly available, high-performance networked systems
Work closely with other engineering teams to improve platforms and eliminate complexity from architecture and processes
Monitor and manage system resources to maintain efficiency

Requirements

Associate’s degree in engineering or related field
Bachelor’s degree in engineering or related field
Master’s degree in engineering or related field
Nice to have: OpenStack
Nice to have: Docker Containers

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