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Added 1 min ago
Java Full Stack Engineer - Professional
HEXAWARE
United States
We are seeking a hands-on Full Stack Engineer to join a team of 8 plus experienced full stack engineers, supporting both new development and ongoing maintenance of a critical, external…
Added 2 mins ago
AI/ML Engineer - Revenue Cycle Automation-Remote
Mayo US
Rochester, MN
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Added 3 mins ago
Sr. Field Service Engineer
Rivian
Chelsea, MA · Shelton, CT · West Henrietta, NY · Clifton Park, NY · Hudson, NH
…for future generations. Role Summary The Sr. Field Service Engineer acts as the technical bridge between real-world vehicle usage and Rivian’s engineering and product development teams. You…
Added 3 mins ago
Advisory Solution Consultant - Identity and Security - Healthcare and Lifesciences (Armis/Veza)
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Added 3 mins ago
Industrial Engineer
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Added 4 mins ago
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Inabia Software & Consulting Inc.
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We are looking for L2/L3 Network Technical Support Engineer – Broadband
Added 4 mins ago
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Added 5 mins ago
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Security Engineer
lhh
Georgia, GA
- $45 to $50 USD / hour
LHH is actively seeking a Security Engineer for one of our top clients! This will be 100% remote long term contract opportunity with our client.
Added 5 mins ago
Software Automation Test Engineer II
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Evaluate tools and technologies relevant to both development and testing (e.g., frameworks, automation tools, libraries), delivering proof-of-concept implementations. Success measured…
Added 6 mins ago
Software Engineer III - Java / AI / Spark / SRE
JPMC page
Palo Alto, CA · Chicago, IL · Plano, TX · Tampa, FL
As a Software Engineer III at JPMorganChase within the Commercial and Investment Bank Payments Technology team, you are an integral part of an agile team that works to enhance, build, and…
Added 7 mins ago
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Data Engineer (Contract to Perm)
LOCALITY
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- $60 to $80 USD / hour
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Added 7 mins ago
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Senior CloudOps Engineer
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Remote, United States
- $165,000 to $190,000 USD / year
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Added 8 mins ago
Lead Endpoint Engineer - MECM/SCCM
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Added 10 mins ago
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E-INFOSOL LLC is seeking a motivated and results-driven Cyber Infrastructure & Tooling Engineer with 8 years of relevant professional experience to join our growing team.
Added 12 mins ago
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Founding Product Engineer
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- $200,000 to $300,000 USD / year
Join an early-stage personal AI assistant team as its founding product engineer. You will own the agent and user experience end to end, helping shape how the assistant makes decisions,…
Added 12 mins ago
Linux Systems Engineer
Roka Security
Sterling, VA
Roka Security is seeking a highly skilled Linux Systems Engineer to design, deploy, optimize, automate, and support large-scale Linux infrastructure supporting secure networking and…
Added 13 mins ago
AWS Redshift Data Engineer
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Drive automation and orchestration using Lambda, Step Functions, and CI/CD pipelines.
Added 14 mins ago
Senior Solutions Consultant
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…demonstrate how Appian’s platform delivers AI-Powered Process Automation and orchestrates critical enterprise workflows. Our mission is to win the trust of technical and business…
Added 14 mins ago
Senior Solutions Consultant
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…demonstrate how Appian’s platform delivers AI-Powered Process Automation and orchestrates critical enterprise workflows. Our mission is to win the trust of technical and business…
Added 14 mins ago
Senior Solutions Consultant
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…demonstrate how Appian’s platform delivers AI-Powered Process Automation and orchestrates critical enterprise workflows. Our mission is to win the trust of technical and business…
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…demonstrate how Appian’s platform delivers AI-Powered Process Automation and orchestrates critical enterprise workflows. Our mission is to win the trust of technical and business…
Added 15 mins ago
Electrical Controls Engineer
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…knowledge of control systems to work on small- and large-scale automation systems across multiple process industries utilizing different control strategies. The Electrical Controls Engineer…
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…our clients. Depending on the role, employees may use data, automation, artificial intelligence, and other digital tools to support research, analysis, engineering and design activities,…

Roka Security

Linux Systems Engineer

Sterling, VA, United States

The salary associated with this position ($122,000-$253,000) is commensurate with the selected candidate’s qualifications, years of relevant experience, and demonstrated level of expertise.

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Job details

Pay: The salary associated with this position ($122,000-$253,000) is commensurate with the selected candidate’s qualifications, years of relevant experience, and demonstrated level of expertise.
Posting language: English
Posted: Nov 9, 2026

Original 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.

Roka Security 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, infrastructure automation, and modern VPN technologies including WireGuard, OpenVPN, and IPSec. The successful candidate will collaborate closely with engineering, systems administration, and platform engineering teams to deliver highly available, secure, and scalable infrastructure solutions in mission-critical environments.

KEY 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

Network Engineering:

Configure and troubleshoot OSPF and static routing, VLANs, LACP, 802.1Q trunking, network namespaces, VRFs, NAT and firewall policies
Analyze and troubleshoot network traffic using tcpdump, Wireshark, iproute2, nftables, and iptables
Design, deploy, and support secure VPN infrastructures using OpenVPN 2.6+, WireGuard, and IPSec
Troubleshoot encryption, routing, MTU, and performance issues while implementing modern cryptographic standards and VPN hardening best practices

Configuration Management & Automation:

Automate system provisioning, configuration deployment, compliance enforcement, VPN deployments, and security baseline management
Integrate SaltStack with CI/CD pipelines and infrastructure monitoring platforms

Collaboration and Documentation:

Collaborate with cross-functional teams to support project initiatives and resolve technical issues
Document system configurations, procedures, and troubleshooting steps for knowledge sharing and training purposes
Contribute to knowledge base articles and best practices documentation

REQUIRED QUALIFICATIONS

Current Active TS/SCI with ability to pass CI Polygraph

Education:

Associate or Bachelor's degree in Computer Science, Information Technology, or related field; OR equivalent combination of technical training and hands-on experience

Technical Skills:

Operating Systems: Strong hands-on experience with Debian and Ubuntu Linux
Networking: Experience with dynamic and static routing, VLANs, trunking, NAT and firewall policies
VPN: Experience with WireGuard, OpenVPN 2.6+, IPSec, PKI and certificate management.
Automation & Scripting: Experience with Bash, Git, and CI/CD workflows

Professional Skills:

Exceptional troubleshooting and root-cause analysis capabilities
Strong documentation and technical writing skills
Ability to operate independently in mission-critical environments
Security-first mindset with strong infrastructure design principles
Excellent collaboration and communication skills

PREFERRED QUALIFICATIONS

Experience supporting cloud platforms including Google Cloud Platform (GCP), Amazon Web Services (AWS), and Microsoft Azure
Experience with container technologies including Docker and Kubernetes
Experience supporting confidential computing environments
Industry certifications such as RHCE, LFCE, CCNP, or equivalent advanced certifications

COMPENSATION & BENEFITS

Competitive salary
Comprehensive health, dental, and vision insurance
401(k) with company match
PTO and paid holidays
Ongoing technical training and certification support

Salary & Benefits

The salary associated with this position ($122,000-$253,000) 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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More about this job

Skills

Linux
VPN
System administration
Red Hat Enterprise Linux
Troubleshoot
OSPF
Tcpdump
Wireshark
IpTables
Regulatory compliance
CI/CD
Troubleshooting
Documentation
Computer science
Computer technology
Ubuntu
Bash
Git
Root cause analysis
Technical writing
Design principles
Collaboration
Communication skills
Google Cloud
AWS
Microsoft Azure
Docker
Kubernetes
CCNP

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