Linux System Engineer Jobs in Frederick, MD (NOW HIRING)

Description

Leidos has an exciting opening for you, as an Infrastructure Engineer, to play a critical role on the DOMEX Technology Platform (DTP) Program where we support our client’s mission to centralize and standardize Tasking, Collection, Processing, Exploitation and Dissemination (TCPED) of Open Source Intelligence (OSINT) across the DoD and IC enterprise. We integrate off the shelf and newly development software to sustain and enhance the TCPED platform. We leverage cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge data exploitation, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members. DTP advances the state of the art in mission-focused big data analytics tools and micro-service development spanning the breadth of Agile sprints to multiyear research and development cycles.

As an Infrastructure Engineer, you will be responsible for technical duties such as infrastructure design, creation, maintenance, and support associated with cloud computing. You will be working closely with our Cloud Architect, Solution Architects, Systems Engineers, Software Engineers, and Operations Engineering/Manager as well as Government counterparts to perform and manage our cloud solution, cloud computing strategy and all associated documentation. While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely.

Key Responsibilities Include:

• Deploying and debugging cloud initiatives as needed in accordance with best practices throughout the development lifecycle. 
• Applying security best practices by implementing DISA hardening guidelines (such as STIGs) across cloud infrastructure and operating systems.
• Utilizing Python programming to automate cloud deployments, infrastructure configuration, and daily operational tasks.
• Employing exceptional problem-solving skills. 
• Building and designing web services in the cloud. 
• Designing and implementing cloud-based platforms throughout the program. 
• Coordinating with DTP team to prioritize product backlogs for sprints and releases. 
• Assisting with monitoring & reporting technical variances; facilitate resolution of technical issues that adversely impact successful product delivery or total system cost. 
• Assisting with identifying and supporting external dependencies where needed.

To be successful in this role you need (required):

• Bachelor’s degree in Computer Science, Engineering, or a related technical field (or equivalent experience) with 8+ years of relevant experience; Master’s degree with 6+ years of experience.
• Active TS/SCI security clearance with the ability to obtain and maintain a Polygraph.
• Current DoD 8570.01M IAT Level II (or higher) certification, such as Security+, CySA+, SSCP, CCNA Security, or CISSP (or Associate).
• Ability to obtain Privileged User Account (PUA) certification.
• Experience administering AWS cloud environments, including EC2, Load Balancers, S3, EFS, VPCs, and AWS CLI.
• Experience with Kubernetes and container platforms such as EKS, Rancher, or RKE2.
• Strong knowledge of Linux system administration.
• Experience implementing security best practices, including DISA STIGs and Kubernetes security controls (RBAC, service accounts, and resource security).
• Proficiency in Python and scripting for automation and operational tooling (UNIX shell, Perl, or similar).
• Experience deploying, managing, and troubleshooting production Kubernetes clusters and containerized applications.
• Familiarity with Kubernetes tools and technologies including Helm, Argo CD, Prometheus, Grafana, ELK/EFK, Ingress controllers, Network Policies, and service mesh solutions.
• Experience with Infrastructure as Code (IaC) tools such as AWS CDK or CloudFormation.
• Experience with configuration management tools such as Salt or Ansible.
• Knowledge of REST APIs, web services, networking, and internet protocols.
• Experience working with open-source technologies and modern infrastructure platforms.
• Strong written and verbal communication skills.
• Ability to collaborate effectively with customers, engineers, architects, and cross-functional teams.
• Comfortable working in a fast-paced environment with team members from diverse technical backgrounds.

You will wow us even more if you have:

• AWS cloud certifications.  
• Experience with micro services architecture. 
• Experience and domain knowledge related to data processing.  
• Experience with big data applications.
• Experience supporting DIA, NDOC, and/or D3P.
• OSINT familiarity.

#NMECDTP-All

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.