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Contract Linux Kernel Engineer Jobs in Virginia (NOW HIRING)

Nightwing

Linux Systems Engineer

Sterling, VA · On-site

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 ...

Nwis

Linux Systems Engineer

Sterling, VA

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 ...

Nwis

Linux Developer

Sterling, VA · On-site

$122K - $253K/yr

Experience with Linux kernel development * Familiarity with embedded systems or performance ... This position is contingent upon contract award. Salary & Benefits The salary associated with this ...

Nightwing

Linux Developer

Sterling, VA · On-site

$122K - $253K/yr

Experience with Linux kernel development * Familiarity with embedded systems or performance ... This position is contingent upon contract award. Salary & Benefits The salary associated with this ...

Actalent

Embedded Software Engineer

Manassas, VA

$55 - $75/hr

Lead or contribute to the design and development of Linux kernel components and device drivers for ... Job Type & Location This is a Contract position based out of Manassas, VA. Pay and Benefits The pay ...

Actalent

Embedded Software Engineer

Manassas, VA

$55 - $75/hr

Lead or contribute to the design and development of Linux kernel components and device drivers for ... Job Type & Location This is a Contract position based out of Manassas, VA. Pay and Benefits The pay ...

Lockheed Martin

Linux CNO Software Engineer

Herndon, VA · On-site

$104K - $184K/yr

... kernel development experience is desired) - Demonstrated understanding of network devices ... engineering in various architectures (i.e. x86, ARM) - Demonstrated in-depth understanding of Linux ...

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All JobsContract Linux Kernel Engineer JobsContract Linux Kernel Engineer Jobs in Virginia

Contract Linux Kernel Engineer information

What is the difference between Contract Linux Kernel Engineer vs Contract Embedded Linux Developer?

AspectContract Linux Kernel EngineerContract Embedded Linux Developer
Required CredentialsLinux kernel knowledge, C programming, Linux certificationsEmbedded systems, Linux, C/C++, hardware familiarity
Work EnvironmentKernel development, system-level programming, Linux environmentsEmbedded devices, hardware integration, real-time systems
Employer & Industry UsageTech companies, hardware manufacturers, open-source projectsConsumer electronics, automotive, IoT devices
Search & Comparison IntentFocus on kernel-level expertise, system optimizationFocus on embedded system development, hardware-software integration

The Contract Linux Kernel Engineer primarily works on kernel development, system optimization, and low-level Linux system tasks. In contrast, the Contract Embedded Linux Developer focuses on developing Linux-based software for embedded devices, often involving hardware integration. Both roles require Linux and C expertise but differ in scope and environment, catering to different industry needs.

What are the most commonly searched types of Linux Kernel Engineer jobs in Virginia? The most popular types of Linux Kernel Engineer jobs in Virginia are:
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What job categories do people searching Contract Linux Kernel Engineer jobs in Virginia look for? The top searched job categories for Contract Linux Kernel Engineer jobs in Virginia are:
What cities in Virginia are hiring for Contract Linux Kernel Engineer jobs? Cities in Virginia with the most Contract Linux Kernel Engineer job openings:
Contract Linux Kernel Engineer jobs near you
Infographic showing various Contract Linux Kernel Engineer job openings in Virginia as of July 2026, with employment types broken down into 61% Full Time, 21% Part Time, 1% Temporary, and 17% Contract. Highlights an 82% Physical, 2% Hybrid, and 16% Remote job distribution.

Linux Systems Engineer

Nightwing

Sterling, VA • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 20 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

Salary & Benefits
The salary associated with this position ($99,000-$206,000) is commensurate with the selected candidate's qualifications, years of relevant experience, and demonstrated level of expertise. Compensation will be determined based on these factors to ensure alignment with skills, responsibilities, and market standards.
Nightwing offers medical, vision and dental insurance coverage in addition to a 401k plan, PTO, Holidays, and additional insurances.
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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