Open Positions

Location: Aberdeen Proving Ground MD

Aspen Consulting Group is currently seeking a skilled Linux System Administrator to join our team and support mission-critical infrastructure in a dynamic environment. This role involves managing Red Hat Enterprise Linux systems that drive high-performance workloads, including GPU development, and ensuring secure, stable, and efficient operations. The ideal candidate will bring expertise in Linux administration, automation, and system security, with a willingness to support networking hardware and infrastructure expansion. This is a cleared full-time position on-site at Aberdeen Proving Ground (APG), Maryland.

Key Responsibilities:

• Administer Linux/RHEL systems and for development, optimizing performance, reliability, and security in compute-intensive environments.
• Maintain PXE boot and Cobbler infrastructure for efficient system provisioning, imaging, and bare-metal deployments.
• Develop automation scripts and Ansible playbooks to streamline configuration management, software deployments, and routine administrative tasks.
• Configure and manage local storage solutions, including partitions and logical volumes, ensuring scalable and resilient storage performance.
• Manage user accounts and access controls through Identity Management (IdM), maintaining compliance and operational efficiency.
• Implement and maintain system security policies, including firewall configurations, SELinux rules, and file access controls (fapolicy), to protect against vulnerabilities and unauthorized access.
• Perform container management tasks in support of development and production workloads, using tools such as Podman or Docker.
• Support Allied Telesis and Arista switches, assisting in the management of network hardware to ensure reliable connectivity and performance.
• Assist with purchasing decisions for new equipment, providing technical insight and recommendations to guide future infrastructure growth.

Qualifications:

• Active TS/SCI clearance with CI Poly required.
• Security+ (Above baseline and computing environment certifications)
• Strong troubleshooting, problem-solving, and communication skills.
• Proven experience as a Linux or RHEL System Administrator, preferably in enterprise or research environments.
• Red Hat (RHCSA, RHCE) Linux Certification with minimum 5 years of UNIX platform experience.
• Strong background in automation, scripting, and Ansible.
• Ability to write Python scripts using REST/HTTP APIs with secure TLS and use of public key cryptography (certificates).
• Basic knowledge, understanding and experiencing configuring or administering to any of the following: nftables, “Iptables”, firewalld, or any other web-based firewall application.
• Some experience and knowledge on system compliance, patching, maintenance, and security.
• Hands-on knowledge of PXE boot, Cobbler, and system provisioning practices.
• Familiarity with Allied Telesis and Arista switch management a plus.

Location: Aberdeen Proving Ground MD

Aspen Consulting Group (ACG) is seeking a full-time Software Defined Radio (SDR) Engineer to work for the US Army’s DEVCOM C5ISR Center on-site in APG, Maryland. The ideal candidate will be a self-motivated individual willing to pursue “outside-the-box” ideas and concepts to enhance and optimize development projects. The ability to understand and communicate highly complex technical concepts and requirements in embedded applications is required.

Qualifications:

• Bachelor of Science degree in electrical or computer engineering with 5+ years of relevant hardware experience is required (experience with embedded systems is a plus).
• Experience in accurately documenting software (requirements, flow diagrams, readme, users guide, etc.) and managing software bugs, features, epochs, sprints, and releases using tools (e.g., JIRA) is required.
• Experience with VHDL, Verilog, or MATLAB System Generator with competency in learning, developing, and maintaining existing source code and Xilinx based FPGA projects is required.
• Experience in Linux OS environment with advanced competency in installing and using software from Linux repositories and source code such as building a C project from source with Make, as well as using Linux command line utilities is required.
• Experience in one or more SDR frameworks such as GNU Radio, USRP/UHD, RTL-SDR, and Epiq SDR development kits is preferred.
• Experience with commercial communication systems and/or radar signal processing is preferred, and the ability to manipulate digital RF data with DSP algorithms and codec processing is a plus.
• Must be a U.S. citizen with an active DoD Secret Clearance with ability to obtain Top Secret/SCI Clearance upon hire (TS/SCI preferred).

Location: Aberdeen Proving Ground MD

Aspen Consulting Group, Inc. (ACG) has immediate full-time openings in central MD and central NJ for Engineers, Computer Scientists and Programmers.

Key Requirements:

• 10+ years of experience
• Bachelor’s Degree (Electrical Engineering preferred)
• SIGINT, EW or communications experience a plus
• Secret Clearance Required (TS/SCI preferred)