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Added 1 min ago
Sr .NET Development Lead
Integral
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Coordinate with the Functional Architect, QA Lead, EISS Chief Engineer, shared platform team and dependent streams.
Added 1 min ago
Principal Data Engineer
Ochsner Clinic Foundation
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The Principal Data Engineer is an enterprise‑level technical expert responsible for architecting complex data solutions, designing cross‑domain frameworks, and shaping the organizational…
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Sugar Bar Manager
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Ensure seamless coordination between bartenders, servers, hosts, security, and other operational teams.
Added 2 mins ago
Sales Engineer, Sr
Datasite LLC
NY
Senior Sales Engineer – Grata Intelligence (Strategic Accounts)
Added 2 mins ago
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Lead AI Engineer
WTW
NY
- $100,000 to $350,000 USD / year
…of the Fortune Global 500? We are looking for an exceptional engineer to join our Willis Neuron Technology team in New York or London as Lead AI Engineer: a senior, high-autonomy individual…
Added 2 mins ago
AI/ML Engineer - Revenue Cycle Automation-Remote
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The AI/ML Engineer, a full-stack AI/ML architect for the Revenue Cycle pillar, responsible for both agentic solutions (UiPath Maestro, LLM orchestration, agent + bot + human-in-the-loop…
Added 3 mins ago
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Head of IT & Security
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Remote, United States
- $195,000 to $220,000 USD / year
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Network Engineer I
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Systems Engineer- Federal
Esri
St. Louis, MO · Vienna, VA
Build and sustain enterprise technology supporting critical national security missions.
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Systems Engineer- Federal
Esri
Vienna, VA
Build and sustain enterprise technology supporting critical national security missions.
Added 3 mins ago
I
Forward Deployed Engineer- Asset Management | IFS Copperleaf
IFS
Remote, United States
- $145,000 to $180,000 USD / year
…hypothesis inside the deal’s timeline. For production use, engineer for security, reliability, observability, maintainability, and integration with the customer’s…
Added 4 mins ago
Sr. Field Service Engineer
Rivian
Chelsea, MA · Shelton, CT · West Henrietta, NY · Clifton Park, NY · Hudson, NH
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Senior Smart Contract Engineer
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- $120,000 to $220,000 USD / year
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Added 4 mins ago
Advisory Solution Consultant - Identity and Security - Healthcare and Lifesciences (Armis/Veza)
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…complex challenges and advance capabilities essential to national…
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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.
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Software Test Engineer I
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Understanding of software security principles and best practices.
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Software Automation Test Engineer II
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Provide technical mentorship to Software Engineer I team members while seeking guidance from senior engineers when needed. Success measured through: measurable mentee skill growth, positive…
Added 7 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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Staff Simulation Engineer, Physics Engineer
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Irvine, CA
- $171,100 to $226,740 USD / year
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Added 7 mins ago
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Mobile Technician
ABM US
Hillsboro, OR
- $35 USD / hour
Cleaning and painting of non-operating mechanical equipment which has been shut down, locked out and tagged by a Journeyman Engineer in accordance with ABM Lockout / Tagout Program.
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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Lead Endpoint Engineer - MECM/SCCM
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Arlington, VA
SHR Consulting Group is seeking a hands-on Lead Endpoint Engineer - MECM/SCCM to support DISA J-6/J-9. This position leads enterprise MECM operations and a team of MECM administrators…
Added 10 mins ago
Senior Systems Engineer-WP-AFB 1
Serco USA
Wright-Patterson AFB, OH · Andrews AFB, MD · Langley AFB, VA · Aurora Buckley AFB, CO · Cannon AFB, NM · Columbus AFB, MS · Dyess AFB, TX · Edwards AFB, CA · Eglin AFB, FL · Eielson AFB, AK · Ellsworth AFB, SD · Fairchild AFB, WA · Glendale Luke AFB, AZ · Goodfellow AFB, TX · Grand Forks AFB, ND · Hanscom AFB, MA · Hill AFB, UT · Kirtland AFB, NM · Laughlin AFB, TX · Little Rock AFB, AR · Maslmstrom AFB, MT · Maxwell AFB-Gunter Annex, AL · McConnell AFB, KS · Minot AFB, ND · Moody AFB, GA · Mountain Home AFB, ID · Nellis AFB, NV · Offutt AFB, NE · Peterson AFB, CO · Robins AFB, GA · Schriever AFB, CO · Scott AFB, IL · Shaw AFB, SC · Sheppard AFB, TX · Tinker AFB, OK · Travis AFB, CA · Vandenberg AFB, CA · Warren AFB, WY · Whiteman AFB, MO
If you want to work on cutting-edge DoD programs, Serco has a great opportunity for you! As a Senior Anti-Tamper Engineer specializing in systems engineering and instruction, you will be…

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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