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Executive Desktop Linux Systems Engineer Optimisation Jobs in Virginia

Nightwing

Linux Systems Engineer

Sterling, VA · On-site

Wireshark * iproute2 * nftables * iptables Linux Kernel Tuning & Performance Optimization Tune ... * 5+ years of Linux Systems Engineering experience * 3+ years of advanced Linux networking ...

Nwis

Linux Systems Engineer

Sterling, VA

... performance optimization. * Troubleshoot complex operating system, networking, and application ... * 5+ years of Linux Systems Engineering experience * 3+ years of advanced Linux networking ...

GDIT

Linux Systems Engineer

Springfield, VA

$159K - $216K/yr

The Linux Systems Engineer is an active participant in SAFe and Scrum development teams and meetings. The systems engineer will be responsible for supporting the customer's enterprise environment.

Nwis

LINUX Systems Engineer

Sterling, VA · On-site

Nightwing is seeking an analytical thinker who enjoys solving complex engineering problems while working with a close-nit team as a Linux Systems Engineer. In this role you will perform production ...

Nightwing

LINUX Systems Engineer

Sterling, VA · On-site

Nightwing is seeking an analytical thinker who enjoys solving complex engineering problems while working with a close-nit team as a Linux Systems Engineer. In this role you will perform production ...

Andworx, LLC

Linux Systems Engineer

Sterling, VA

Learn more about Andwyrde at Andworx is hiring for a mid-level Linux systems engineer with knowledge and background of the Linux operating systems, including scripting, administration, and systems ...

Andworx, LLC

Linux Systems Engineer

Sterling, VA · On-site

Learn more about Andwyrde at Andworx is hiring for a mid-level Linux systems engineer with knowledge and background of the Linux operating systems, including scripting, administration, and systems ...

Peraton

Senior Linux Systems Engineer

Herndon, VA · On-site

$104K - $166K/yr

Senior Linux Systems Engineers will be responsible for planning, deploying, and maintaining a wide variety of Linuxbasedservices. Ideal candidates will have experience with the technologies ...

Peraton

Senior Linux Systems Engineer

Herndon, VA · On-site

$104K - $166K/yr

Responsibilities We are seeking a Senior Linux Systems Engineer with a strong background in Linux administration and common open-source tools and software to join our team. This is an on-site ...

Peraton

Senior Linux Systems Engineer

Herndon, VA

$104K - $166K/yr

Senior Linux Systems Engineers will be responsible for planning, deploying, and maintaining a wide variety of Linuxbasedservices. Ideal candidates will have experience with the technologies ...

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All JobsDesktop Linux Systems Engineer Optimisation JobsExecutive Desktop Linux Systems Engineer Optimisation JobsExecutive Desktop Linux Systems Engineer Optimisation Jobs in Virginia

Executive Desktop Linux Systems Engineer Optimisation information

What is the difference between Executive Desktop Linux Systems Engineer Optimisation vs Desktop Linux Systems Engineer?

AspectExecutive Desktop Linux Systems Engineer OptimisationDesktop Linux Systems Engineer
CertificationsLinux certifications, advanced networking, optimization toolsLinux certifications, basic system administration
Work EnvironmentCorporate, enterprise, high-performance environmentsSmall to medium business, technical support roles
ResponsibilitiesSystem optimization, performance tuning, strategic planningSystem setup, maintenance, troubleshooting

The main difference is that the Executive Desktop Linux Systems Engineer Optimisation focuses on enhancing system performance and strategic improvements in enterprise environments, while the Desktop Linux Systems Engineer handles day-to-day system management and support. The optimization role requires advanced skills and a focus on efficiency, whereas the standard engineer emphasizes operational stability.

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Executive Desktop Linux Systems Engineer Optimisation jobs near you

Linux Systems Engineer

Nightwing

Sterling, VA • On-site

Full-time

Re-posted 5 days ago

Job description

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets.
Nightwing is seeking a highly skilled Linux Systems Engineer to design, deploy, optimize, automate, and support large-scale Linux infrastructure supporting secure networking and remote-access services. This role is ideal for an engineer with deep expertise in Linux networking, policy-based routing, kernel performance tuning, infrastructure automation, and modern VPN technologies including WireGuard, OpenVPN, and IPSec.
The successful candidate will collaborate closely with network engineering, systems administration, and platform engineering teams to deliver highly available, secure, and scalable infrastructure solutions in mission-critical environments.
Primary Responsibilities
Linux Infrastructure Engineering
  • Design, deploy, administer, and maintain enterprise Linux environments.
  • Develop standardized operating system configurations and hardened baseline builds.
  • Perform operating system upgrades, patch management, lifecycle maintenance, and performance optimization.
  • Troubleshoot complex operating system, networking, and application issues.
Advanced Network Engineering
Design and implement advanced routing architectures utilizing:
  • Policy-Based Routing (PBR)
  • Multiple routing tables
  • Route maps and traffic steering
  • Source-based and destination-based routing
  • Multi-homed network environments
Configure and troubleshoot:
  • OSPF and static routing
  • VLANs, LACP, and 802.1Q trunking
  • Network namespaces
  • VRFs
  • NAT and firewall policies
Analyze and troubleshoot network traffic using:
  • tcpdump
  • Wireshark
  • iproute2
  • nftables
  • iptables
Linux Kernel Tuning & Performance Optimization
Tune Linux kernel parameters for:
  • High-throughput networking
  • Low-latency applications
  • VPN gateway performance
  • Large-scale concurrent connections
Optimize:
  • TCP/IP stack performance
  • Network buffer sizing
  • IRQ balancing
  • CPU affinity
  • NUMA awareness
  • Memory management
Utilize performance analysis tools including:
  • perf
  • sar
  • vmstat
  • iostat
  • eBPF observability tools
  • systemd performance metrics
VPN Engineering
Design, deploy, and support secure VPN infrastructures using:
  • OpenVPN 2.6+
  • WireGuard
  • IPSec
Implement and support:
  • Site-to-site VPNs
  • Remote-access VPNs
  • Hub-and-spoke architectures
  • High-availability VPN clusters
  • Dynamic routing across VPN overlays
Responsibilities include:
  • Troubleshooting encryption, routing, MTU, and performance issues
  • Implementing modern cryptographic standards and VPN hardening best practices
Configuration Management & Automation
Develop and maintain Infrastructure-as-Code (IaC) solutions using SaltStack.
Create and maintain:
  • Salt States
  • Pillars
  • Custom modules
  • Orchestration workflows
Automate:
  • System provisioning
  • Configuration deployment
  • Compliance enforcement
  • VPN deployments
  • Security baseline management
Integrate SaltStack with CI/CD pipelines and infrastructure monitoring platforms.
Required Qualifications:
Current Top-Secret Clearance with SCI Eligibility
Technical Experience
  • 5+ years of Linux Systems Engineering experience
  • 3+ years of advanced Linux networking experience
  • 3+ years of VPN engineering experience
  • 3+ years of SaltStack administration and automation experience
Operating Systems
Strong hands-on experience with:
  • Debian Linux
  • Ubuntu Linux
Networking Expertise
Demonstrated expertise with:
  • Policy-Based Routing (PBR)
  • iproute2
  • Routing tables and policy rules
  • Linux bridges
  • Bonding and teaming
  • VLANs
  • VRFs
  • Network namespaces
  • Dynamic routing protocols
  • High-availability networking architectures
VPN Expertise
Strong practical experience with:
  • WireGuard
  • OpenVPN 2.6+
  • IPSec
  • PKI and certificate management
  • TLS authentication
  • Multi-site VPN topologies
  • VPN performance tuning
Automation & Scripting
Experience with:
  • SaltStack
  • Python
  • Bash
  • Git
  • CI/CD workflows

Preferred Qualifications
  • Experience supporting cloud platforms including:
    • Google Cloud Platform (GCP)
    • Amazon Web Services (AWS)
    • Microsoft Azure
  • Experience with container technologies:
    • Docker
    • Kubernetes
  • Experience supporting confidential computing environments
  • Knowledge of CNSA-compliant cryptographic implementations
  • Familiarity with eBPF-based observability and network diagnostics
  • Industry certifications such as:
    • RHCE
    • LFCE
    • CCNP
    • Equivalent advanced certifications

Desired Skills
  • Exceptional troubleshooting and root-cause analysis capabilities
  • Strong documentation and technical writing skills
  • Ability to operate independently in mission-critical environments
  • Experience designing highly available and fault-tolerant systems
  • Security-first mindset with strong infrastructure design principles
  • Excellent collaboration and communication skills

At Nightwing, we value collaboration and teamwork. You'll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we'll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients.
Thank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team.
Nightwing is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

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