diff --git a/cmd/neofs-node/config/calls.go b/cmd/neofs-node/config/calls.go
new file mode 100644
index 00000000..1541557e
--- /dev/null
+++ b/cmd/neofs-node/config/calls.go
@@ -0,0 +1,28 @@
+package config
+
+import (
+	"github.com/spf13/viper"
+)
+
+// Sub returns sub-section of the Config by name.
+func (x *Config) Sub(name string) *Config {
+	return (*Config)(
+		(*viper.Viper)(x).Sub(name),
+	)
+}
+
+// Value returns configuration value by name.
+//
+// Result can be casted to a particular type
+// via corresponding function (e.g. StringSlice).
+// Note: casting via Go `.()` operator is not
+// recommended.
+//
+// Returns nil if config is nil.
+func (x *Config) Value(name string) interface{} {
+	if x != nil {
+		return (*viper.Viper)(x).Get(name)
+	}
+
+	return nil
+}
diff --git a/cmd/neofs-node/config/calls_test.go b/cmd/neofs-node/config/calls_test.go
new file mode 100644
index 00000000..b66eea7c
--- /dev/null
+++ b/cmd/neofs-node/config/calls_test.go
@@ -0,0 +1,29 @@
+package config_test
+
+import (
+	"testing"
+
+	"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
+	"github.com/stretchr/testify/require"
+)
+
+func TestConfigCommon(t *testing.T) {
+	forEachFileType("test/config", func(c *config.Config) {
+		val := c.Value("value")
+		require.NotNil(t, val)
+
+		val = c.Value("non-existent value")
+		require.Nil(t, val)
+
+		sub := c.Sub("section")
+		require.NotNil(t, sub)
+
+		const nonExistentSub = "non-existent sub-section"
+
+		sub = c.Sub(nonExistentSub)
+		require.Nil(t, sub)
+
+		val = c.Sub(nonExistentSub).Value("value")
+		require.Nil(t, val)
+	})
+}
diff --git a/cmd/neofs-node/config/cast.go b/cmd/neofs-node/config/cast.go
new file mode 100644
index 00000000..dbd39b55
--- /dev/null
+++ b/cmd/neofs-node/config/cast.go
@@ -0,0 +1,30 @@
+package config
+
+import (
+	"github.com/spf13/cast"
+)
+
+func panicOnErr(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
+
+// StringSlice reads configuration value
+// from c by name and casts it to []string.
+//
+// Panics if value can not be casted.
+func StringSlice(c *Config, name string) []string {
+	x, err := cast.ToStringSliceE(c.Value(name))
+	panicOnErr(err)
+
+	return x
+}
+
+// StringSliceSafe reads configuration value
+// from c by name and casts it to []string.
+//
+// Returns nil if value can not be casted.
+func StringSliceSafe(c *Config, name string) []string {
+	return cast.ToStringSlice(c.Value(name))
+}
diff --git a/cmd/neofs-node/config/cast_test.go b/cmd/neofs-node/config/cast_test.go
new file mode 100644
index 00000000..9eefd50c
--- /dev/null
+++ b/cmd/neofs-node/config/cast_test.go
@@ -0,0 +1,30 @@
+package config_test
+
+import (
+	"testing"
+
+	"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
+	"github.com/stretchr/testify/require"
+)
+
+func TestStringSlice(t *testing.T) {
+	forEachFileType("test/config", func(c *config.Config) {
+		cStringSlice := c.Sub("string_slice")
+
+		val := config.StringSlice(cStringSlice, "empty")
+		require.Empty(t, val)
+
+		val = config.StringSlice(cStringSlice, "filled")
+		require.Equal(t, []string{
+			"string1",
+			"string2",
+		}, val)
+
+		require.Panics(t, func() {
+			config.StringSlice(cStringSlice, "incorrect")
+		})
+
+		val = config.StringSliceSafe(cStringSlice, "incorrect")
+		require.Nil(t, val)
+	})
+}
diff --git a/cmd/neofs-node/config/config.go b/cmd/neofs-node/config/config.go
new file mode 100644
index 00000000..2a560fd1
--- /dev/null
+++ b/cmd/neofs-node/config/config.go
@@ -0,0 +1,53 @@
+package config
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/spf13/viper"
+)
+
+// Config represents a group of named values structured
+// by tree type.
+//
+// Sub-trees are named configuration sub-sections,
+// leaves are named configuration values.
+// Names are of string type.
+type Config viper.Viper
+
+const (
+	separator    = "."
+	envPrefix    = "neofs"
+	envSeparator = "_"
+)
+
+// Prm groups required parameters of the Config.
+type Prm struct{}
+
+// New creates a new Config instance.
+//
+// If file option is provided (WithConfigFile),
+// configuration values are read from it.
+// Otherwise, Config is a degenerate tree.
+func New(_ Prm, opts ...Option) *Config {
+	v := viper.New()
+
+	o := defaultOpts()
+	for i := range opts {
+		opts[i](o)
+	}
+
+	if o.path != "" {
+		v.SetEnvPrefix(envPrefix)
+		v.AutomaticEnv()
+		v.SetEnvKeyReplacer(strings.NewReplacer(separator, envSeparator))
+		v.SetConfigFile(o.path)
+
+		err := v.ReadInConfig()
+		if err != nil {
+			panic(fmt.Errorf("failed to read config: %v", err))
+		}
+	}
+
+	return (*Config)(v)
+}
diff --git a/cmd/neofs-node/config/config_test.go b/cmd/neofs-node/config/config_test.go
new file mode 100644
index 00000000..231f59b2
--- /dev/null
+++ b/cmd/neofs-node/config/config_test.go
@@ -0,0 +1,26 @@
+package config_test
+
+import (
+	"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
+)
+
+func fromFile(path string) *config.Config {
+	var p config.Prm
+
+	return config.New(p,
+		config.WithConfigFile(path),
+	)
+}
+
+func forEachFile(paths []string, f func(*config.Config)) {
+	for i := range paths {
+		f(fromFile(paths[i]))
+	}
+}
+
+func forEachFileType(pref string, f func(*config.Config)) {
+	forEachFile([]string{
+		pref + ".yaml",
+		pref + ".json",
+	}, f)
+}
diff --git a/cmd/neofs-node/config/opts.go b/cmd/neofs-node/config/opts.go
new file mode 100644
index 00000000..871d9c95
--- /dev/null
+++ b/cmd/neofs-node/config/opts.go
@@ -0,0 +1,20 @@
+package config
+
+type opts struct {
+	path string
+}
+
+func defaultOpts() *opts {
+	return new(opts)
+}
+
+// Option allows to set optional parameter of the Config.
+type Option func(*opts)
+
+// WithConfigFile returns option to set system path
+// to the configuration file.
+func WithConfigFile(path string) Option {
+	return func(o *opts) {
+		o.path = path
+	}
+}
diff --git a/cmd/neofs-node/config/test/config.json b/cmd/neofs-node/config/test/config.json
new file mode 100644
index 00000000..f10856ac
--- /dev/null
+++ b/cmd/neofs-node/config/test/config.json
@@ -0,0 +1,14 @@
+{
+  "value": "some value",
+  "section": {
+    "any": "thing"
+  },
+  "string_slice": {
+    "empty": [],
+    "filled": [
+      "string1",
+      "string2"
+    ],
+    "incorrect": null
+  }
+}
diff --git a/cmd/neofs-node/config/test/config.yaml b/cmd/neofs-node/config/test/config.yaml
new file mode 100644
index 00000000..e383eae8
--- /dev/null
+++ b/cmd/neofs-node/config/test/config.yaml
@@ -0,0 +1,13 @@
+value: some value
+
+section:
+  any: thing
+
+string_slice:
+  empty: []
+
+  filled:
+    - string1
+    - string2
+
+  incorrect:
\ No newline at end of file
diff --git a/cmd/neofs-node/config/util.go b/cmd/neofs-node/config/util.go
new file mode 100644
index 00000000..07b43902
--- /dev/null
+++ b/cmd/neofs-node/config/util.go
@@ -0,0 +1,16 @@
+package config
+
+import (
+	"github.com/nspcc-dev/neofs-node/misc"
+)
+
+// DebugValue returns debug configuration value.
+//
+// Returns nil if misc.Debug is not set to "true".
+func DebugValue(c *Config, name string) interface{} {
+	if misc.Debug == "true" {
+		return c.Value(name)
+	}
+
+	return nil
+}
diff --git a/go.mod b/go.mod
index 21a26c12..603072dd 100644
--- a/go.mod
+++ b/go.mod
@@ -20,6 +20,7 @@ require (
 	github.com/panjf2000/ants/v2 v2.3.0
 	github.com/paulmach/orb v0.2.1
 	github.com/prometheus/client_golang v1.6.0
+	github.com/spf13/cast v1.3.0
 	github.com/spf13/cobra v1.0.0
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/spf13/viper v1.7.0